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 Solutions Step-by-step Troubleshooting
Fix 1. Recover Data Run EaseUS software, and choose the LaCie...Full steps
Fix 2. LaCie Light Blinking Reconnect the LaCie > Disable Save Power...Full steps
Fix 3. Repair LaCie Not Turning On Check power cable > Change USB port...Full steps
Fix 4. Repair LaCie Not Showing Up 1. Format disk to NTFS; 2. Assign Drive Letter...Full steps
Fix 5. Repair LaCie Not Working 1. Update disk drivers; 2. Uninstall Universal...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 store 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
  • The 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  • Drive driver is outdated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

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's external hard drive from the following issues:

  1. #1. LaCie External Hard Drive Data Loss
  2. #2. LaCie External Hard Drive Light Blinking
  3. #3. LaCie External Hard Drive Not Turning On
  4. #4. LaCie External Hard Drive Not Showing Up/Detected/Recognized
  5. #5. LaCie External Hard Drive Not Working/Responding

Note that as some troubleshooting methods presented here may cause file loss issues, it's recommended that you take reliable EaseUS Data Recovery Wizard 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.

 Download for Win Recovery Rate 99.7%
 Download for Mac Trustpilot Rating 4.6

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

Video Tutorial

Step 1. Use a correct USB cable to connect your external hard drive to your computer. Run EaseUS Data Recovery Wizard and you will see your external disk under External drives. This software supports all the popular external disk brands, including WD, Seagate, Toshiba, LaCie, SanDisk, Samsung, etc. 

Select the external hard drive and then click the "Scan" button. 

select your seagate external hard drive and click scan

Step 2. As soon as the scan process starts, the software will find more and more lost and deleted data and display the data in the scan results. The recovered data will be nicely organized. You can quickly find the target files/folders by file type or search in the search box with exact file name. 

scan the lost data on the seagate external hard drive

Step 3. You can preview the files found by EaseUS Data Recovery Wizard's scanning algorithms. Then, select files and click "Recover". To avoid data overwriting, we recommend that you save the recovered data to a different drive than the original Seagate drive.

select files and click recover

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".

Disable save power settings

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.

format the sd card to ntfs with the build in tool

#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.

change drive letter to make the sd card detectable

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

Step 1. 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.

Create new simple volume to make LaCie external hard drive show up

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.

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".

Fix Seagate external hard drive blinking but not working - update drivers

Restart the computer and then 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 and Open Device Manager.

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

Uninstall USB hub drivers and 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.

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.

 Download for Win Recovery Rate 99.7%
 Download for Mac Trustpilot Rating 4.6

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Updated by Brithny

Brithny is a technology enthusiast, aiming to make readers' tech lives easy and enjoyable. She loves exploring new technologies and writing technical how-to tips. In her spare time, she loves sharing things about her favorite singer - Taylor Swift on her Facebook or Twitter.

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Written by Daisy

Daisy is the Senior editor of the writing team for EaseUS. She has been working in EaseUS for over ten years, starting from a technical writer to a team leader of the content group. As a professional author for over 10 years, she writes a lot to help people overcome their tech troubles.

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