11 Fixes for Toshiba External Hard Drive Not Working/Showing Up

It happens that a Toshiba external hard drive is not working in Windows, be it not showing up, not recognized, or not showing files. Given the varying situation, we will show you how to fix "Toshiba external hard drive not working" according to your exact scenario and present you the Toshiba hard drive recovery tool to rescue your data on the storage medium.

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1TB Toshiba External Hard Drive Is Not Working and Undetectable, Help!

"Hi there, do you know how to make external hard drive show up in PC when it failed to be detected? I have 1TB Toshiba external hard drive with almost 500GB data saved on it. It suddenly disappeared from my PC but the light of the drive is still on. What's going on with my drive? Do know you how to fix this issue?"

Toshiba external hard drive not working.

External hard drive not showing up or detected is just one of the many situations that indicate your Toshiba hard drive is not working. To help you fix your problematic device quickly, you should specify your situation according to the steps below before applying the fixes for "Toshiba external hard drive not working".

Step 1. Connect your Toshiba hard disk to your computer using the Toshiba cable.

Step 2. Go to "This PC" > "Manage" > "Disk Management".

Then you will see yourself in one of the following cases:

  • The Toshiba external hard drive is not showing in Disk Management or in This PC
  • The Toshiba hard drive is showing up in Disk Management but not in This PC
  • The Toshiba disk is showing up in both Disk Management and This PC but is inaccessible
  • The hard drive is detected but not showing any files
  • The Toshiba external hard drive light blinking but not working

Fixes for Toshiba External Hard Drive Not Working

When your Toshiba hard drive is not working, you may find yourself in one of the situations listed above. Identify your situation and follow to see the possible causes and the solutions to fix your Toshiba hard drive.

Workable Solutions Step-by-step Troubleshooting
Fix 1. Toshiba Not Showing Up Check the hard drive connection > update Toshiba driver > send for manual repair...Full steps
Fix 2. Toshiba Not in This PC Update Toshiba driver > change drive letter...Full steps
Fix 3. Detectable But Inaccessible If you find your Toshiba disk isn't showing any files, you can...Full steps
Fix 4. Detected But Not Showing Files Try every USB port available; Determine you're using USB 2.0 or 3.0...Full steps
Fix 5. Light Blinking But Not Working This is a common issue that happens to external hard drives from all the brands...Full steps

You May Also Interest In:

If you are having a similar issue on your hard drive, you may directly try the fixes below. 

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How to Fix Hard Drive Not Showing Up in Windows

Are your hard drives, be it new or old, internal or external, not showing up in File Explorer or Disk Management? Follow to learn how to make your hard drive showing up again in Windows 10/8/7 without losing data.

Hard drive not showing up

Situation 1. Toshiba External Hard Drive Is Not Showing Up in This PC and Disk Management

Possible causes: Connection issues, outdated Toshiba external hard drive driver, physical damage on the disk

Based on the possible reasons why your Toshiba external hard drive is not working, you have three methods to try:

Method 1. Check the Hard Drive Connection

There are many tips you can try to check the connection between your Toshiba external hard drive and your computer.

  • Connect your Toshiba external hard drive to another USB port, including the rear ones, on your computer
  • Use the original cable to connect your hard drive
  • Use another cable to connect your Toshiba hard disk
  • Connect your Toshiba hard drive to another computer

Method 2. Update the Toshiba External Hard Drive Driver

If the Toshiba hard drive is still not working, try to update the device driver. An outdated or corrupted hard drive driver will cause some problems while using the device. Since your hard drive is not detected by the PC, you cannot update the driver via Device Manager. Go to the official site of Toshiba, then download and install the latest driver by entering your model or the serial number of your disk.

Method 3. Send for Manual Repair

If you are sure there is physical corruption on your Toshiba external hard drive or the disk is still not working after trying the methods above, you are recommended to send the Toshiba hard drive for manual repair.

Situation 2. Toshiba External Hard Drive Is Showing Up in Disk Management But Not in This PC

Possible Causes: Toshiba external hard drive driver issues, drive letter conflicts

A Toshiba external hard drive that is not working in such a case may be caused by a problematic device driver or a drive letter conflict between your Toshiba external disk and the partition on your computer. The solutions are easy:

Method 1. Update Toshiba External Hard Drive Driver

Since your device is detectable, you can update the driver via the Device Manager.

Step 1. Connect the Toshiba external hard drive to PC, right-click on "This PC" (in Windows 10) and choose "Properties".

Step 2. Click "Device Manager" then expand “Disk drives”. Find and right-click the problematic USB drive and select "Update driver"

Step 3. Click "automatically search for driver software online".

Step 4. Wait for the driver to be updated, then reboot your computer. Afterward, you can try to reconnect your USB drive to PC and check whether the USB drive shows up or not.

Toshiba external hard drive not working - update device driver

Method 2. Change Drive Letter

Step 1. Go to "This PC", right-click it, and choose "Manage" > "Disk Management".

Step 2. Right-click the volume on your USB flash drive/external hard drive and select "Change Drive Letter and Paths".

Step 3. In the new window, click "Change".

Step 4. Assign a new drive letter to your USB and click "OK".

Toshiba External Hard Drive Not Working - Change Driver Letter

Situation 3. Toshiba External Hard Drive Is Detectable But Inaccessible

Possible causes: MBR corruption, I/O device error, file system errors...

You may see your Toshiba external hard drive state is "Not Initialized" or "No Media" in Disk Managemen, your disk shows RAW file system or the partition on it is lost (showing as unallocated space). All make your device inaccessible. To fix "Toshiba external hard drive not working" in the last two situations, you can:

Method 1. Recover Data from the Toshiba External Hard Drive and Format It

If the partition on your Toshiba disk is RAW, don't worry. You can use the hard drive recovery software - EaseUS Data Recovery Wizard to recover data from the inaccessible disk and then format the device to assign a new file system to it, which will make it usable again.

To recover data from your RAW drive:

Step 1. Choose the external hard drive

  • Since you're going to recover data from an external hard drive, you need to correctly connect the drive to your Windows computer.
  • Run EaseUS Data Recovery Wizard and choose the exact external drive where you lost data.
  • Click Scan.
select external hard drive

Step 2. Check the scan results

The software will immediately start scanning the selected drive for all lost data. During the scan, you can see more and more data showing up in the results. The Filter feature is there for you to quickly locate the files of one kind, such as Pictures, Word/Excel/PDF documents, Videos, etc.

scan external hard drive

Step 3. Preview and recover data

  • Double-clicking a file will allow you to preview its content.
  • Choose the file(s) and click Recover.
  • Select a different drive to save the recovered files instead of the original one. 
preview and recover data

To format your Toshiba disk:

Step 1. Open "This PC", right-click your RAW drive or RAW disk and choose "Formatted".

Step 2. Set a file system (NTFS, FAT32, or exFAT) according to your needs and click "Start".

Step 3. In the Warning window, click "OK" to start formatting your storage medium.

Toshiba External Hard Drive Not Working - Format the device

Method 2. Recover Data from the Toshiba Disk and Create Partition

You may see your Toshiba hard drive shows up as unallocated space because the partition is lost. In such a case, you can also use the EaseUS data recovery software to recover data from your Toshiba external hard drive and then create new partitions on it to make it usable. Since the way to perform data recovery has been detailed already, here we will show you how to create new partitions on your disk only.

Step 1. Right-click "This PC", choose "Manage" > "Disk Management".

Step 2. Right-click the unallocated space and choose "New Simple Volume".

Step 3. Follow the wizard to finish the remaining process.

Toshiba External Hard Drive Not Working - Create New Partition

Situation 4. The Toshiba External Hard Drive Is Detected But Not Showing Files

If you find your Toshiba disk isn't showing any files, you can refer to the article about "pen drive not showing data" to make your files show up again.

Situation 5. Toshiba External Hard Drive Light Blinking But Not Working

This is a common issue that happens to external hard drives from all the brands including Toshiba, Seagate, Samsung, and more. The solutions to "Toshiba external hard drive not working" in such a case are the same as the ones to "Seagate external hard drive light blinking but not working", regardless of the brands.

Other Fixes for Toshiba External Hard Drive Not Working

In addition to the commonest cases, there are other situations in which your Toshiba external hard drive is not working properly. Thus, there are other tips worth trying if the methods above fail to bring your device back to normal.

Workable Solutions Step-by-step Troubleshooting
Fix 1. Check Power Management Click Start, type: devmgmt.msc and hit "Enter"...Full steps
Fix 2. Reboot to Safe Mode Go to Settings, click on "Update & security". Tab on "Recovery"...Full steps
Fix 3. Use Partition Manager Launch EaseUS Partition Master Free and right-click the partition...Full steps
Fix 4. Run CMD Press "Win + R" to open Run dialog and...Full steps

Fix 1: Check Power Management for USB Hub

  • Click Start, type: devmgmt.msc, and hit Enter.
  • Open Device Manager and expand "Universal Serial Bus controllers".
  • Right-click on the USB Root Hub, click on "Properties".
  • Go to Power Management and uncheck "Allow the computer to turn off this device to save power".

If this doesn't work, try Fix 2.

Fix 2: Reboot PC into Safe Mode 

In order to thoroughly check out and find the exact problem, you can try to reboot the PC into Safe Mode to see where Toshiba external hard drive can work or not:

  • Go to Settings, click on "Update & security".
  • Tab on "Recovery", select "Advanced Startup" and click "Restart now".
  • PC will automatically boot into another Startup Settings screen, press F4 to initiate PC reboot into Safe Mode.
  • Then check whether the Toshiba external hard disk can be detected or not.

If not, don't worry. Effective fixes and solutions are available to help to fix Toshiba external hard drive not working issue right now.

Disk check can effectively fix and repair some internal errors on your storage devices, even including the hard disk drive not working issue. Here you have two options to get this issue fixed:

Fix 3. Fix Toshiba External Hard Drive Not Working with Free Partition Manager

Step 1. Launch EaseUS Partition Master Free and right-click the partition that you want to check by clicking "Check File System".

Step 2. Click "Start" to continue and let this program check and fix all found errors on the Toshiba external hard drive.

Fix Toshiba external hard drive not working error.

3. Click Finish to complete the process.

Fix 4. Fix Toshiba External Hard Drive Not Working by Running CMD

Warning
Running chkdsk can hopefully fix the drive not working issues, however, it can also result in total data loss. So, perform data recovery in advance, and then continue with the CMD method.
  • Press "Win + R" to open Run dialog and type cmd to open Command Prompt by hitting "Enter".
  • Type chkdsk /f c: ("C" is the drive letter of your Toshiba external hard drive) and hit "Enter" to run the disk check process.
  • Type exit to finish the process when the disk check process is finished.

Then you can check to see whether this has worked to repair your Toshiba external hard drive or not.

EaseUS CleanGenius is a user-friendly computer fixing tool that is both safe and lightweight. It's a perfect alternative to CHKDSK command. Use this one-click tool to fix the damaged file system easily.

Step 1.  DOWNLOAD EaseUS CleanGenius on your computer and complete the installation. 

Step 2. Run the software. Click "Optimization", and then choose "File Showing" . 

select the file showing option

Step 3. Select the drive with a corrupted file system. Tick the "Check and fix file system error" option and click "Execute".

fix file system

Step 4. Wait the tool performs the repairing task. After that, click the "View" button to check the drive.

fix file system
  • Click on Start and type devmgmt.msc to open Device Manager by hitting Enter.
  • Expand "Universal Serial Universal Serial Bus controllers", right-click every USB device found there, and select "Uninstall".

Then check out whether any device shows up as unrecognized or not:

  • If the Toshiba external hard drive shows as unrecognized, go to the driver's tab and delete/uninstall the driver. Then check out whether the external hard drive shows up in My Computer/My PC or not.
  • If it doesn't show up, reboot or restart the PC.
  • If it shows up but disappears later, repeat the above steps and go to Disk Management, change the drive letter of your Toshiba external hard drive and reconnect it to PC to let the PC detect it again.

The Botton Line

When your Toshiba external hard drive is not working, figure out the specific situation and then follow the corresponding solutions to fix it, which is more time-consuming than trying the tips one by one. If none of the fixes help to fix "Toshiba hard drive not working", other than sending the device for manual repair, you can also get it replaced if it is still under warranty.

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Updated by Jean

Author Jean has been writing tech articles since she was graduated from university. She has been part of the EaseUS team for over 5 years. Her special focuses are data recovery, disk partitioning, data space optimization, data backup and Mac OS. By the way, she's an aviation fan!

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Written by Tracy King

Tracy joined in EaseUS in 2013 and has been working with EaseUS content team for over 7 years. Being enthusiastic in computing and technology, she writes tech how-to articles and share technical solutions about Windows & Mac data recovery, file/system backup and recovery, partition management and iOS/Android data recovery.

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