This is a prevalent problem when we are using an external hard drive. This error occurs with Toshiba, Seagate, SanDisk, Samsung, etc. There are many essential ways to fix this error on your system, but along the way, you may need to recover your data because you need to format or boot your system which may cause data loss.

Fix 1: Fix Toshiba External Hard Drive Not Working Error -Safe Solutions
Solution 1: Check the External Hard Drive Physical Status
Try to connect the external drive by using a brand new USB port and check whether is it working or not. If it is not, then take a good look at your hard drive to check is there any physical damage on it.

After you determine the device is physically damaged, you have to take it to the nearest Toshiba service centre to repair it. Assuming that the external hard drive is out of warranty, you may have to pay for the repairing cost.

Solution 2: Test The Toshiba External Hard Drive Connection
Sometimes Toshiba External Hard Drive Not Working Error occurs on your system is because of the connection problem with your external hard drive and the computer.

You can try the methods below:
Change the external hard drive connection port to other USB ports.
Try to use the original cable to connect the hard drive to your computer.
Check the connection of your hard drive with another computer.
Use a new cable to connect your hard drive.
Solution 3: Update Your Toshiba External Hard Drive Driver
Suppose that after following the above solutions, your Toshiba external hard drive is still not working or detected by your PC, you may need to update the device driver. Sometime, an outdated driver may cause your system not supporting or error during the operation.

If you can’t detect your hard drive for the driver update, you have to go to the official homepage of Toshiba to download the latest driver installer. Then, enter the model and the serial number of your disk to start the update.

Solution 4: Toshiba External Hard Drive Light On But Not Working
Most of the time, this technical issue also occurs on another type of external hard drive brands. The best way to overcome this particular problem, you can refer to “Fixed: Seagate external hard disk light blinking but not detecting“. It will show you a more specific and precise way to fix this issue!

Solution 5: Power Management for USB Hub
Step 1: Open your computer and click on Start.

Step 2: Click Run and type devmgmt.msc and execute.

Step 3: When the Device Manager opens, you need to click on Universal Serial Bus Controllers at the bottom of the panel.

Step 4: Make a right-click on the USB Root Hub and from the menu clicks on Properties.

Step 5: Finally, go to Power Management and uncheck Allow the Computer to Turn Off This Device to Save Power option.

Steps to Retrieve your Lost Data with Data Recovery after Fixing Toshiba External Hard Drive Not Working Error
After you have repaired the Toshiba external hard drive not working error by the solutions given above, it may be a possibility that your files are out of order and missing. Worst-case scenario, the entire external hard drive could be erased.

If you have the technical situation above. Fear not! You can always use the best data recovery Bitwar Data Recovery to recover your data back effectively. It also supports both Windows and Mac system. Moreover, it is capable of restoring deleted or lost data from your Toshiba External Hard Drive on Windows 7, 8 and 10.

Look here for the best solutions to Fix Toshiba External Hard Drive Not Working!