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Lacie External Hard Drive Not Showing Up Mac

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Sep 25, 2012 Same here, with additional issues - blue light is lit up (not blinking), there is no sound from the drive, and green light on the power supply is also lit up. Unfortunately, can't get help from LaCie support because my Quadra is from 2008 and there is no option to register product bought before 2011. How to fix an external hard drive Lacie. Curious if you can repair your Lacie external hard drive? SATA to USB-Adapter Link https://amzn.to/2Lrt9. LaCie Rugged not showing up as a drive in My Computer. I have LaCie Rugged FW/USB external hard drive here and have plugged it in using the usb cables for power and actual connection to my.

Check Apple's Disk Utility to see if an external drive is showing up. Disk Utility is within System Preferences, or you can find it using Spotlight. If it is visible, then click the option to Mount, which should make it visible on the desktop and in the External Drives option in the Finder menu. How to fix an external hard drive Lacie. Curious if you can repair your Lacie external hard drive? SATA to USB-Adapter Link https://amzn.to/2Lrt9.

Summary :

Mac

Many people are complaining about the same problem: external hard drive not showing up on Mac. Actually, the external hard drive, USB flash drive, SD card, and even internal hard drive maybe not detected by Mac sometimes due to different reasons. 11 useful solutions are provided here to help users fix hard drive not working on Mac.

Quick Navigation :

In general, a hard drive or flash drive will be recognized and showing up on the desktop automatically after it's connected to Mac. However, it's true that there are chances for Mac not reading external hard drive after users connected the drive to Mac. External hard drive not showing up Mac is a hot topic among users. A lot of reasons should be blamed when you can't see external hard drive: the cable or port issue, corrupted system settings, improper file system, virus attack, etc. It's important to figure out the causes of Mac not recognizing external hard drive (internal hard drive, USB flash drive, or SD card) and try the corresponding methods to fix the problem.

Tip: You can go to the home page to get various tools (data recovery software for both Windows platform and Mac platform, system backup software, video converter, screen recorder, etc.) for solving computer problems & improving performance.

How to fix hard drive not showing up on Mac? I'll demonstrate the Solutions from 3 aspects.

External Hard Drive Not Showing Up Mac

In this section, I'll summarize some popular causes for Mac not recognizing external hard drive and the corresponding tips on how to find external hard drive on Mac.

First of all, I'd like to advise Mac users to solve external drive not showing up by: removing the external drive completely -> restarting Mac (repeat this action for several times to see whether it works) -> re-connecting the external drive to Mac properly. If this didn't work, please try the following methods.

How to fix external hard drive not showing up or recognized on Windows?

The problem – external hard drive not showing up/recognized/detected – can be fixed easily by following ways.

#1. Take a Look at the System Information

Seagate external hard drive not showing up Mac:

Hi. I have a 1TB Seagate Backup Plus external hard drive, and it won't show up in my Mac Pro. The Mac Pro is the 2006 Intel Xeon model running 10.6.8 Snow Leopard. The System requirements for the external HDD are snow leopard or higher, so I don't know why it isn't working.

P.S. When I plug in the USB cable into the computer, the HDD starts to spin, but it never shows up in the finder or on the desktop. Also, this HDD works in my MacBook Pro, but not the Mac Pro. If anyone has any useful information, that would be greatly appreciated. Thank you. - posted by DisneyWorld in Apple Community

Many people are trying to help by providing possible solutions to Mac won't recognize external hard drive after DisneyWorld published this post to ask for help. Finally, DisneyWorld got his drive showing up and working after inspected it in System Report.

How to Check Using System Report

  1. Click on the Apple icon in the upper left corner.
  2. Select About This Mac from the drop-down menu.
  3. Click on the System Report… button in the pop-up window (below the information about your Mac & its operating system).
  4. Check the external hard drive there.

#2. Check Hardware for Problems

How do I get my Mac to recognize a hard drive connected through USB? Here are some quick tips.

  • Please try a different port on your Mac.
  • Check whether the USB connector/USB adapter works well.
  • If you're using a hub, please try to plug your external hard drive directly into the Mac.
  • If you're plugging into a wall outlet, please try a different outlet.
  • Please check the cable to see whether it's physically damaged (whether there are snug fits, frayed cables, or missing pins). You can also try to use a different USB cable.
  • Connect the external hard drive to another Mac or a PC. You can also test the disk on PC manually.
  • Please try to connect the external device to its own power source, if applicable.

How to fix when USB flash drive not recognized on Windows?

Various solutions are provided for you to fix USB flash drive not recognized error and recover data from the inaccessible flash drive.

#3. Change Finder Preferences

Why is my external hard drive not showing up Mac? Another common reason is that the Finder preferences settings are not proper. How to change the settings?

  1. Open Finder on your Mac.
  2. Select Finder from the menu bar at the top.
  3. Choose Preferences from the submenu you see.
  4. Go to the General tab and look for the Show these items on the desktop section.
  5. Check External disks option under it.
  6. Then, go to the Sidebar tab at the top.
  7. Check External disks under Show these items on the sidebar.

#4. Check in Disk Utility

  1. Open Finder.
  2. Select Applications from the left sidebar (under Favorites).
  3. Choose Utilities from the right-hand panel.
  4. Click on Disk Utility to open a new window.
  5. Browse the drives list here.

External Hard Drive Not Mounting Mac

Sometimes, your external hard drive won't mount. If you find the external hard disk in Disk Utility but it doesn't shows up, it may be not mounted. Not mounting and improper disk format (how to check disk format will be talked later) are two of the common reasons causing new hard drive not showing up.

How to mount external hard drive Mac?

  1. Select the target external hard drive from the left sidebar.
  2. Click on the Mount option from the menu bar at the top.

If your Mac is set to show only mountable drives, you should try to fix Mac not recognizing external hard drive by allowing Show All Devices.

  1. Open Finder -> select Applications -> select Utilities -> choose Disk Utility.
  2. Select View from the menu bar at the top of the window.
  3. Click Show All Devices from the drop-down menu to view all mountable and non-mountable drives.

#5. Repair the Disk with First Aid

First Aid is a tool built in Mac to check disk for errors (startup problems, corrupted files, corrupted file system, etc.) and then repair them. If your external hard drive appears but not shows up on desktop, please run First Aid.

  1. Repeat step1 ~ 4 mentioned in method 4.
  2. Select the problematic external hard drive from the left panel.
  3. Click on the First Aid option in the top menu bar.
  4. Click Run in the pop-up confirmation dialog window.
  5. Follow the on-screen instructions to continue.

How to Recover Data from Mac Hard Drive

You may find some important files not showing in the external hard drive (internal hard drive, flash drive, SD card, etc.). How to get them back on Mac? You should get a professional recovery tool that supports Mac to help you (Stellar Data Recovery for Mac, jointly designed by MiniTool and Stellar, is a good choice).

  1. Download the software to a location which doesn't contain any lost files (to avoid data overwriting).
  2. Double click on the setup program and follow the on-screen instructions to finish the installation process.
  3. Run the software to start the recovery process (please make sure the external disk is always connected properly to Mac).
  4. In the Select What To Recover page, please toggle the switch under Recover Everything to ON or choose the file types you need from Documents, Emails, Videos, Audio, and Photos.
  5. Click on the Next button to continue.
  6. Choose the target hard disk which can't show up on Mac in the next Select Location page.
  7. Click on the Scan button in the lower right corner to start scanning the drive (you can turn on the Deep Scan feature in the lower left corner to show more scan results).
  8. Browse the found files and folders carefully and select all the ones you want to recover.
  9. Click on the Recover button in the lower right corner.
  10. Please select a destination to store the recovered files by clicking Browse.
  11. Click on the Save button to confirm your selection.
  12. Wait for the recovery process to finish.
Tip: If the documents created by Microsoft Word (contained in Microsoft Office for Mac) are lost from Mac, how to recover them? You should read this page to learn more about Mac Word files recovery.

Some people may want to recover crucial data from their Mac when it can't boot successfully. What should they do? This post tells you all about how to recover from a crashed/dead MacBook (MacBook Pro).

#6. Repair External Drive by Using Terminal

  1. Open Finder.
  2. Select Applications and then Utilities.
  3. Double click on Terminal to open it.
  4. Type diskutil list into the command line and press Return.
  5. The basic information of volumes and drives available will be displayed.
  6. Look for the disk# section of the target external disk.
  7. Type diskutil mountDisk /dev/disk# and press Return.
  8. Type diskutil repairVolume /dev/disk# and press Return.
  9. Wait for the process to finish.
  10. Go to the Terminal and then Quit Terminal.

#7. Check Disk Format

If you can find your external hard drive under Disk Utility, but you can't mount and use it, it's possible that the disk format is the issue. Your Mac can't recognize a drive that's been formatted with a file system that it cannot read.

In this case, you need to reformat the drive (please backup at least the important files on target drive since the erase action will ruin them):

  1. Open Disk Utility.
  2. Select the target external disk from the left panel.
  3. Click Erase at the top.
  4. You can give a name to the disk.
  5. Choose a proper file system from the drop-down menu of Format.
  6. Choose a Scheme and then click on the Erase button to confirm.
  7. Wait for the operation to finish.

APFS and Mac OS Extended are used frequently on Mac; you should figure out the differences between them (read APFS vs Mac OS Extended) before you decide which one to use.

Can you read a Mac-formatted hard drive on a Windows PC?

Usually, you can't read Mac drive on a Windows PC; this post shows you how to view content on Mac-formatted drive easily.

#8. Reset NVRAM

If there's problem with the Mac's RAM, it may cause external hard drive not showing up. You can troubleshoot the problem by resetting NVRAM properly.

  1. Restart your Mac (shut down and turn it on again).
  2. Press these 4 keys simultaneously: Command+Option+P+R; hold them for at least 20 seconds.
  3. Release these keys when you hear the second startup chime

#9. Check the /Volumes/ Folder

When you can't find an external hard disk on Mac, you can also try your luck by checking the /Volumes/ folder.

  1. Open Finder.
  2. Select Go from the top menu bar.
  3. Choose Go to Folder from the drop-down menu.
  4. Type /Volume/ into the textbox.
  5. Click on the Go button below or press Enter.
  6. Look for your external hard drive under Volumes folder.

How to recover a Mac file deleted from a folder or the desktop?

Believe it or not, we can make it easy to recover deleted data on Mac even if you are totally a novice.

#10. Uninstall Conflicting Apps

The applications you have installed on you Mac may have conflict with the external hard drive so that it can't be detected. How to troubleshoot Mac not detecting external hard drive?

  • If you have installed new apps on Mac recently, please go to uninstall them completely.
  • If you haven't installed any new app, please go to browse your installed apps and delete the ones with potential conflict.

#11. Update macOS

Updating OS is another useful fix for hard drive not showing up Mac.

  1. Select Apple menu.
  2. Choose SystemPreferences.
  3. Click Software Update.
  4. Wait for the checking process.
  5. Click Update Now when available updates are found.
  6. Wait for the update to complete.

If your external disk runs very slow after you updated the macOS, please try to troubleshoot the issue by resetting the SMC (System Management Controller).

Bonus Tip: Internal Hard Drive Not Showing Up

If your internal hard drive doesn't show up on Mac suddenly, please try to fix it by the following solutions:

  • Change Finder Preferences settings.
  • Mount/repair the hard drive in Disk Utility.
  • Repair disk in macOS recovery mode.
  • Check the internal hard drive in Terminal.

For more information about USB not showing up on Mac or flash drive/SD card not showing up Mac, please read this page.

Verdict

There are many actions and issues that could lead to the problem – external hard drive not showing up Mac. You should read this page carefully to find out the possible reasons and master the corresponding solutions that may help you fix the problem yourself.

This article shows how to repair a LaCie external hard drive with corrupted, not working, unrecognized or 'fails to show up' error without losing data. First, you need to follow provided methods on this page to repair the corrupted LaCie external hard drive. Next, download EaseUS hard drive recovery software to recover data from the LaCie external hard drive.

This page covers the most complete LaCie external hard drive troubleshooting tips to help you fix and repair LaCie disks. If your LaCie drive is not recognized or corrupted, please take it easy!

Follow the provided solutions on this page to get rid of this issue and make your device work again.

Workable SolutionsStep-by-step Troubleshooting
Fix 1. Recover DataRun EaseUS software, choose the LaCie drive to scan and recover data..Full steps
Fix 2. LaCie Light BlinkingReconnect the LaCie power cable > Disable Save Power Mode..Full steps
Fix 3. Repair LaCie Not Turning OnCheck power cable > Change USB port > Connect to a new PC..Full steps
Fix 4. Repair LaCie Not Showing Up1. Format disk to NTFS; 2. Assign New Drive Letter; 3. Create New Volume..Full steps
Fix 4. Repair LaCie Not Working1. Update disk drivers; 2. Uninstall Universal BUS Controllers..Full steps

LaCie is a storage device producer. It manufactures universal types of external hard drives, SSDs, HDDs, and even network storage services for worldwide users to storing their personal files and business data. People always use it for saving backups. With huge storage capacity, it's widely used for saving lots of files such as photos and videos.

LaCie external hard drive becomes excessively popular among users due to its high capacity and fast performance. However, according to the LaCie support community and the Google search result, LaCie external hard drive users have also encountered some problems while using its external hard drives and internal HDDs/SSDs.

Here, we'll take LaCie Porsche Design as an example to show you how to troubleshoot all types of external hard disk problems without losing any data.

Why Is My LaCie Not Working

Normally, a lot of issues may cause an external hard drive not working, not turning on, or malfunctioning. Learning the causes will help you find the right solutions immediately. Here are the main causes of why your LaCie external hard drives are not working:

  • Problematic connection (between drive and computer)
  • RAW or invalid file system error
  • File system corruption
  • Drive letter conflict
  • Drive is unallocated, no partition
  • New drive is not initialized
  • Drive driver is outdated
  • Drive is hidden from showing up on the computer
  • Virus, malware infection

LaCie External Hard Drive Troubleshooting Tips

Lacie External Hard Drive Not Showing Up Macbook Air

So how to fix the LaCie external hard drive not working issue on your own without losing any data? Here we'll take LaCie Porsche Design as an example to show you how to successfully repair LaCie external hard drive from the following issues:

Note that as some troubleshooting methods presented here may cause file loss issues, it's recommended that you take reliable data recovery software as shown in the first case to bring your files out of the device first. EaseUS Data Recovery Wizard is good for you to try.

Now, let's move to the right fixes to troubleshoot your external hard disk not working, not turning on, not showing up error with ease.

Case 1. Fix LaCie External Hard Drive Data Loss Error with Data Recovery Software

Applies to: Scan LaCie external hard drive and recover lost data due to deleting, formatting, RAW, and even inaccessible error.

Mostly, when your external hard drive or internal hard drive is not working or not showing up, what comes first is to perform data recovery on the device. So keep this in your mind:

  1. 1. Stop using the device when you lost data on it.
  2. 2. Turn to professional data recovery software for help.

Here, we'd like to recommend you try EaseUS data recovery software - Data Recovery Wizard. No matter what causes file loss on your drive, as long as your drive can be detected by Windows Disk Management, this software can work and help.

Here is the step-by-step guide that you can follow to recover data from the LaCie external hard drive immediately:

Step 1. Choose the external hard drive

Since you're going to recover data from the external hard drive, run EaseUS Data Recovery Wizard and under the External Devices tab, choose the exact drive where you lost data. Click Scan.

Step 2. Scan for lost data

The software will start immediately to scan all over the selected drive for all lost data. During the scan, you could see more and more data showing up in the results.

Step 3. Preview and recover data

After the scan is over, check the scan results for the desired data. You can preview the file by double-clicking on it. Click Recover and choose another location to save the recovered data.

After this, remember to save the restored files and data to another secure device before making the device work again. If your computer cannot detect the LaCie external hard drive, follow the tips as shown below to make it detectable first.

Case 2. Fix LaCie External Hard Drive Light Blinking, Not Working

Applies to: Fix LaCie external hard drive light blinking error due to unstable power supply issue.

To fix this issue, you have two options to try:

External

Many people are complaining about the same problem: external hard drive not showing up on Mac. Actually, the external hard drive, USB flash drive, SD card, and even internal hard drive maybe not detected by Mac sometimes due to different reasons. 11 useful solutions are provided here to help users fix hard drive not working on Mac.

Quick Navigation :

In general, a hard drive or flash drive will be recognized and showing up on the desktop automatically after it's connected to Mac. However, it's true that there are chances for Mac not reading external hard drive after users connected the drive to Mac. External hard drive not showing up Mac is a hot topic among users. A lot of reasons should be blamed when you can't see external hard drive: the cable or port issue, corrupted system settings, improper file system, virus attack, etc. It's important to figure out the causes of Mac not recognizing external hard drive (internal hard drive, USB flash drive, or SD card) and try the corresponding methods to fix the problem.

Tip: You can go to the home page to get various tools (data recovery software for both Windows platform and Mac platform, system backup software, video converter, screen recorder, etc.) for solving computer problems & improving performance.

How to fix hard drive not showing up on Mac? I'll demonstrate the Solutions from 3 aspects.

External Hard Drive Not Showing Up Mac

In this section, I'll summarize some popular causes for Mac not recognizing external hard drive and the corresponding tips on how to find external hard drive on Mac.

First of all, I'd like to advise Mac users to solve external drive not showing up by: removing the external drive completely -> restarting Mac (repeat this action for several times to see whether it works) -> re-connecting the external drive to Mac properly. If this didn't work, please try the following methods.

How to fix external hard drive not showing up or recognized on Windows?

The problem – external hard drive not showing up/recognized/detected – can be fixed easily by following ways.

#1. Take a Look at the System Information

Seagate external hard drive not showing up Mac:

Hi. I have a 1TB Seagate Backup Plus external hard drive, and it won't show up in my Mac Pro. The Mac Pro is the 2006 Intel Xeon model running 10.6.8 Snow Leopard. The System requirements for the external HDD are snow leopard or higher, so I don't know why it isn't working.

P.S. When I plug in the USB cable into the computer, the HDD starts to spin, but it never shows up in the finder or on the desktop. Also, this HDD works in my MacBook Pro, but not the Mac Pro. If anyone has any useful information, that would be greatly appreciated. Thank you. - posted by DisneyWorld in Apple Community

Many people are trying to help by providing possible solutions to Mac won't recognize external hard drive after DisneyWorld published this post to ask for help. Finally, DisneyWorld got his drive showing up and working after inspected it in System Report.

How to Check Using System Report

  1. Click on the Apple icon in the upper left corner.
  2. Select About This Mac from the drop-down menu.
  3. Click on the System Report… button in the pop-up window (below the information about your Mac & its operating system).
  4. Check the external hard drive there.

#2. Check Hardware for Problems

How do I get my Mac to recognize a hard drive connected through USB? Here are some quick tips.

  • Please try a different port on your Mac.
  • Check whether the USB connector/USB adapter works well.
  • If you're using a hub, please try to plug your external hard drive directly into the Mac.
  • If you're plugging into a wall outlet, please try a different outlet.
  • Please check the cable to see whether it's physically damaged (whether there are snug fits, frayed cables, or missing pins). You can also try to use a different USB cable.
  • Connect the external hard drive to another Mac or a PC. You can also test the disk on PC manually.
  • Please try to connect the external device to its own power source, if applicable.

How to fix when USB flash drive not recognized on Windows?

Various solutions are provided for you to fix USB flash drive not recognized error and recover data from the inaccessible flash drive.

#3. Change Finder Preferences

Why is my external hard drive not showing up Mac? Another common reason is that the Finder preferences settings are not proper. How to change the settings?

  1. Open Finder on your Mac.
  2. Select Finder from the menu bar at the top.
  3. Choose Preferences from the submenu you see.
  4. Go to the General tab and look for the Show these items on the desktop section.
  5. Check External disks option under it.
  6. Then, go to the Sidebar tab at the top.
  7. Check External disks under Show these items on the sidebar.

#4. Check in Disk Utility

  1. Open Finder.
  2. Select Applications from the left sidebar (under Favorites).
  3. Choose Utilities from the right-hand panel.
  4. Click on Disk Utility to open a new window.
  5. Browse the drives list here.

External Hard Drive Not Mounting Mac

Sometimes, your external hard drive won't mount. If you find the external hard disk in Disk Utility but it doesn't shows up, it may be not mounted. Not mounting and improper disk format (how to check disk format will be talked later) are two of the common reasons causing new hard drive not showing up.

How to mount external hard drive Mac?

  1. Select the target external hard drive from the left sidebar.
  2. Click on the Mount option from the menu bar at the top.

If your Mac is set to show only mountable drives, you should try to fix Mac not recognizing external hard drive by allowing Show All Devices.

  1. Open Finder -> select Applications -> select Utilities -> choose Disk Utility.
  2. Select View from the menu bar at the top of the window.
  3. Click Show All Devices from the drop-down menu to view all mountable and non-mountable drives.

#5. Repair the Disk with First Aid

First Aid is a tool built in Mac to check disk for errors (startup problems, corrupted files, corrupted file system, etc.) and then repair them. If your external hard drive appears but not shows up on desktop, please run First Aid.

  1. Repeat step1 ~ 4 mentioned in method 4.
  2. Select the problematic external hard drive from the left panel.
  3. Click on the First Aid option in the top menu bar.
  4. Click Run in the pop-up confirmation dialog window.
  5. Follow the on-screen instructions to continue.

How to Recover Data from Mac Hard Drive

You may find some important files not showing in the external hard drive (internal hard drive, flash drive, SD card, etc.). How to get them back on Mac? You should get a professional recovery tool that supports Mac to help you (Stellar Data Recovery for Mac, jointly designed by MiniTool and Stellar, is a good choice).

  1. Download the software to a location which doesn't contain any lost files (to avoid data overwriting).
  2. Double click on the setup program and follow the on-screen instructions to finish the installation process.
  3. Run the software to start the recovery process (please make sure the external disk is always connected properly to Mac).
  4. In the Select What To Recover page, please toggle the switch under Recover Everything to ON or choose the file types you need from Documents, Emails, Videos, Audio, and Photos.
  5. Click on the Next button to continue.
  6. Choose the target hard disk which can't show up on Mac in the next Select Location page.
  7. Click on the Scan button in the lower right corner to start scanning the drive (you can turn on the Deep Scan feature in the lower left corner to show more scan results).
  8. Browse the found files and folders carefully and select all the ones you want to recover.
  9. Click on the Recover button in the lower right corner.
  10. Please select a destination to store the recovered files by clicking Browse.
  11. Click on the Save button to confirm your selection.
  12. Wait for the recovery process to finish.
Tip: If the documents created by Microsoft Word (contained in Microsoft Office for Mac) are lost from Mac, how to recover them? You should read this page to learn more about Mac Word files recovery.

Some people may want to recover crucial data from their Mac when it can't boot successfully. What should they do? This post tells you all about how to recover from a crashed/dead MacBook (MacBook Pro).

#6. Repair External Drive by Using Terminal

  1. Open Finder.
  2. Select Applications and then Utilities.
  3. Double click on Terminal to open it.
  4. Type diskutil list into the command line and press Return.
  5. The basic information of volumes and drives available will be displayed.
  6. Look for the disk# section of the target external disk.
  7. Type diskutil mountDisk /dev/disk# and press Return.
  8. Type diskutil repairVolume /dev/disk# and press Return.
  9. Wait for the process to finish.
  10. Go to the Terminal and then Quit Terminal.

#7. Check Disk Format

If you can find your external hard drive under Disk Utility, but you can't mount and use it, it's possible that the disk format is the issue. Your Mac can't recognize a drive that's been formatted with a file system that it cannot read.

In this case, you need to reformat the drive (please backup at least the important files on target drive since the erase action will ruin them):

  1. Open Disk Utility.
  2. Select the target external disk from the left panel.
  3. Click Erase at the top.
  4. You can give a name to the disk.
  5. Choose a proper file system from the drop-down menu of Format.
  6. Choose a Scheme and then click on the Erase button to confirm.
  7. Wait for the operation to finish.

APFS and Mac OS Extended are used frequently on Mac; you should figure out the differences between them (read APFS vs Mac OS Extended) before you decide which one to use.

Can you read a Mac-formatted hard drive on a Windows PC?

Usually, you can't read Mac drive on a Windows PC; this post shows you how to view content on Mac-formatted drive easily.

#8. Reset NVRAM

If there's problem with the Mac's RAM, it may cause external hard drive not showing up. You can troubleshoot the problem by resetting NVRAM properly.

  1. Restart your Mac (shut down and turn it on again).
  2. Press these 4 keys simultaneously: Command+Option+P+R; hold them for at least 20 seconds.
  3. Release these keys when you hear the second startup chime

#9. Check the /Volumes/ Folder

When you can't find an external hard disk on Mac, you can also try your luck by checking the /Volumes/ folder.

  1. Open Finder.
  2. Select Go from the top menu bar.
  3. Choose Go to Folder from the drop-down menu.
  4. Type /Volume/ into the textbox.
  5. Click on the Go button below or press Enter.
  6. Look for your external hard drive under Volumes folder.

How to recover a Mac file deleted from a folder or the desktop?

Believe it or not, we can make it easy to recover deleted data on Mac even if you are totally a novice.

#10. Uninstall Conflicting Apps

The applications you have installed on you Mac may have conflict with the external hard drive so that it can't be detected. How to troubleshoot Mac not detecting external hard drive?

  • If you have installed new apps on Mac recently, please go to uninstall them completely.
  • If you haven't installed any new app, please go to browse your installed apps and delete the ones with potential conflict.

#11. Update macOS

Updating OS is another useful fix for hard drive not showing up Mac.

  1. Select Apple menu.
  2. Choose SystemPreferences.
  3. Click Software Update.
  4. Wait for the checking process.
  5. Click Update Now when available updates are found.
  6. Wait for the update to complete.

If your external disk runs very slow after you updated the macOS, please try to troubleshoot the issue by resetting the SMC (System Management Controller).

Bonus Tip: Internal Hard Drive Not Showing Up

If your internal hard drive doesn't show up on Mac suddenly, please try to fix it by the following solutions:

  • Change Finder Preferences settings.
  • Mount/repair the hard drive in Disk Utility.
  • Repair disk in macOS recovery mode.
  • Check the internal hard drive in Terminal.

For more information about USB not showing up on Mac or flash drive/SD card not showing up Mac, please read this page.

Verdict

There are many actions and issues that could lead to the problem – external hard drive not showing up Mac. You should read this page carefully to find out the possible reasons and master the corresponding solutions that may help you fix the problem yourself.

This article shows how to repair a LaCie external hard drive with corrupted, not working, unrecognized or 'fails to show up' error without losing data. First, you need to follow provided methods on this page to repair the corrupted LaCie external hard drive. Next, download EaseUS hard drive recovery software to recover data from the LaCie external hard drive.

This page covers the most complete LaCie external hard drive troubleshooting tips to help you fix and repair LaCie disks. If your LaCie drive is not recognized or corrupted, please take it easy!

Follow the provided solutions on this page to get rid of this issue and make your device work again.

Workable SolutionsStep-by-step Troubleshooting
Fix 1. Recover DataRun EaseUS software, choose the LaCie drive to scan and recover data..Full steps
Fix 2. LaCie Light BlinkingReconnect the LaCie power cable > Disable Save Power Mode..Full steps
Fix 3. Repair LaCie Not Turning OnCheck power cable > Change USB port > Connect to a new PC..Full steps
Fix 4. Repair LaCie Not Showing Up1. Format disk to NTFS; 2. Assign New Drive Letter; 3. Create New Volume..Full steps
Fix 4. Repair LaCie Not Working1. Update disk drivers; 2. Uninstall Universal BUS Controllers..Full steps

LaCie is a storage device producer. It manufactures universal types of external hard drives, SSDs, HDDs, and even network storage services for worldwide users to storing their personal files and business data. People always use it for saving backups. With huge storage capacity, it's widely used for saving lots of files such as photos and videos.

LaCie external hard drive becomes excessively popular among users due to its high capacity and fast performance. However, according to the LaCie support community and the Google search result, LaCie external hard drive users have also encountered some problems while using its external hard drives and internal HDDs/SSDs.

Here, we'll take LaCie Porsche Design as an example to show you how to troubleshoot all types of external hard disk problems without losing any data.

Why Is My LaCie Not Working

Normally, a lot of issues may cause an external hard drive not working, not turning on, or malfunctioning. Learning the causes will help you find the right solutions immediately. Here are the main causes of why your LaCie external hard drives are not working:

  • Problematic connection (between drive and computer)
  • RAW or invalid file system error
  • File system corruption
  • Drive letter conflict
  • Drive is unallocated, no partition
  • New drive is not initialized
  • Drive driver is outdated
  • Drive is hidden from showing up on the computer
  • Virus, malware infection

LaCie External Hard Drive Troubleshooting Tips

Lacie External Hard Drive Not Showing Up Macbook Air

So how to fix the LaCie external hard drive not working issue on your own without losing any data? Here we'll take LaCie Porsche Design as an example to show you how to successfully repair LaCie external hard drive from the following issues:

Note that as some troubleshooting methods presented here may cause file loss issues, it's recommended that you take reliable data recovery software as shown in the first case to bring your files out of the device first. EaseUS Data Recovery Wizard is good for you to try.

Now, let's move to the right fixes to troubleshoot your external hard disk not working, not turning on, not showing up error with ease.

Case 1. Fix LaCie External Hard Drive Data Loss Error with Data Recovery Software

Applies to: Scan LaCie external hard drive and recover lost data due to deleting, formatting, RAW, and even inaccessible error.

Mostly, when your external hard drive or internal hard drive is not working or not showing up, what comes first is to perform data recovery on the device. So keep this in your mind:

  1. 1. Stop using the device when you lost data on it.
  2. 2. Turn to professional data recovery software for help.

Here, we'd like to recommend you try EaseUS data recovery software - Data Recovery Wizard. No matter what causes file loss on your drive, as long as your drive can be detected by Windows Disk Management, this software can work and help.

Here is the step-by-step guide that you can follow to recover data from the LaCie external hard drive immediately:

Step 1. Choose the external hard drive

Since you're going to recover data from the external hard drive, run EaseUS Data Recovery Wizard and under the External Devices tab, choose the exact drive where you lost data. Click Scan.

Step 2. Scan for lost data

The software will start immediately to scan all over the selected drive for all lost data. During the scan, you could see more and more data showing up in the results.

Step 3. Preview and recover data

After the scan is over, check the scan results for the desired data. You can preview the file by double-clicking on it. Click Recover and choose another location to save the recovered data.

After this, remember to save the restored files and data to another secure device before making the device work again. If your computer cannot detect the LaCie external hard drive, follow the tips as shown below to make it detectable first.

Case 2. Fix LaCie External Hard Drive Light Blinking, Not Working

Applies to: Fix LaCie external hard drive light blinking error due to unstable power supply issue.

To fix this issue, you have two options to try:

1. Reconnect the LaCie power cable

If the power LED light is blinking, connect the power cable to the external drive and then connect the power supply to a live power outlet.

2. Disable Save Power Mode in USB Root Hub

Step 1. Keep the LaCie external hard drive connected to your computer.

Step 2. Press Windows + X or right-click the Windows icon, select 'Device Manager'.

Step 3. Locate and expand the Universal Serial Bus controllers.

Step 4. Right-click 'USB Root Bub' of your external hard drive and select 'Properties'.

Step 5. Go to the Power Management tab, then uncheck 'Allow the computer to turn off this device to save power'.

After this, restart your PC and reconnect the Lacie external hard drive to your computer. Then you can check out if your drive is showing up. If it still not turning on, continue reading with the fixes as shown in the next parts.

Case 3. Fix LaCie External Hard Drive Not Turning On

Applies to: Fix LaCie External hard drive not turning on issue due to problematic connection.

Sometimes, the 'external hard drive not turning on' issue is also known as 'external hard drive won't power up'. Besides the above two methods presented in Case 2, you can also try the following tips to make the LaCie external hard drive turning on and show up on your computer again:

Step 1. Check if the power cable of your external hard drive is broken.

If yes, change a new power cable, and reconnect the disk to your computer tightly.

Step 2. If the power cable is good, switch a USB port and reconnect LaCie to your PC.

Check if the drive shows up or not.

Step 3. If the drive doesn't show up at all after you've tried all the USB ports on the computer, try to connect it to a new computer.

Make sure that each time you reconnect the drive, the cables are correctly and tightly connected between your external drive and computer.

Case 4. LaCie External Hard Drive Not Showing Up/Detected/Recognized

Applies to: Fix LaCie external hard drive not showing up, detected error due to RAW or unsupported file system, drive letter conflict, partition loss error.

As the causes of an external hard drive not working are complex, we suggest you connect the LaCie external hard drive to your computer and open Disk Management to check its state so as to follow the respective methods as listed here for help:

  • LaCie Shows as RAW, or *Others, Unsupported File System - Format to Reset LaCie Detectable
  • LaCie Shows as New Volume with No Drive Letter - Assign a New Drive Letter
  • LaCie Displays as Unallocated - Create New Volume

Let's follow the right fixes here to repair and make your LaCie external hard drive work again.

#1. Format and Reset LaCie External Hard Drive to (NTFS) Detectable

Step 1. Right-click on This PC/My Computer, select 'Manage'.

Step 2. Click 'Disk Management', locate and right-click the RAW external hard drive partition, then choose 'Format'.

Step 3. Select NTFS as the file system for the partition and click 'OK' to confirm.

#2. Assign a New Drive Letter to Make LaCie Showing UP

Step 1. Press 'Windows' + 'X' at the same time, select and open Disk Management.

Step 2. Right-click the external hard drive partition and select 'Change Drive Letter and Path…'.

Step 3. In the pop-up window, click 'Add' to assign the drive letter to your LaCie external disk.

#3. Create a New Volume on Unallocated LaCie External Hard Disk

Step 1. How to unlock a mac laptop. Open Disk Management and locate the unallocated space of LaCie external hard drive.

Step 2. Right-click on the unallocated space and select 'New Simple Volume'.

Step 3. Assign a new drive letter to the disk, set NTFS as its file system, click 'Next'.

Step 4. Follow the on-screen guidelines to create a new partition on the LaCie external hard disk and click 'Finish' to complete.

Bonus Case: LaCie device shows as No Media

If the LaCie external hard drive shows No Media in Disk Management, what you can do is very less. All you can do is to go back to case 5 and update the device driver. Then try to change the drive letter in Disk Management, and format it to NTFS.

If none of these tips work, your last tryout is to take the disk to a disk repair center for help.

Case 5. LaCie External Hard Drive Not Working/Responding

Applies to: Fix LaCie external or internal hard drive not working or responding error due to outdated driver.

#1. Update LaCie External Hard Drive Driver

Step 1. Keep the LaCie external hard disk connected to your PC.

Lacie External Hard Drive Not Showing Up Mac Air

Step 2. Click on 'Start' and type devmgmt.msc to open 'Device Manager'.

Step 2. Expand'Disk drives', right-click your LaCie external hard drive and select 'Update driver'.

Restart the computer andthen check out whether any device shows up as unrecognized or not.

#2. Uninstall Universal BUS Controllers' Drivers

Step 1. Connect LaCie external hard drive to PC andOpen Device Manager.

Step 2. Expand Universal Serials Bus controllers and right-click each USB Hub, select 'Uninstall device'.

Step 3. After this, restart the PC, and Windows will automatically update and reinstall them for you.

Then you can check out if your LaCie disk is detectable by the computer.

To Sum Up

On this page, we listed the possible causes of LaCie external hard drive not working issue and listed 7+ Lacie external hard drive troubleshooting tips to help you repair not working, not showing up, not responding, and even not recognized drive to a normal state.

Lacie External Hard Drive Not Showing Up Mac Catalina

Note that, no matter which method you tend to try, remember to apply EaseUS data recovery software to scan and restore all your valuable files from the disk to another secure location first.





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