Make unrecognized WD external hard drive detectable in PC: Here, you have two options to try to. My Passport drives are portable drives and as such are getting all the power they need from the USB port of the computer they are connected to. If there is a problem with the USB cable or USB port the drive might not be able to work properly. The same thing can sometimes happen if you are connecting a USB 3.0 device to a USB 2.0 port.
Overview: WD External Hard Drive Not Recognized But the Light is On
'It seems that my WD 1TB external hard drive cannot be recognized on my PC but the light is on. The flashlight of WD external hard drive continuously blinking when I connect the drive with USB cable. But the problem is that the WD hard drive still not working when I connect it to a new USB cable with the PC. Nothing is detected. Do you know how to make the WD external hard drive to show up and work again? And how to restore the saved data on the drive?'
If your WD external hard drive, USB drive, or a similar storage device has a similar problem with the light on but not detectable by your PC, do not panic. Follow the following quick fixes and effective methods to restore a non-working/unrecognized WD external hard drive and get all the lost data back right away.
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If you have a similar issue on your hard drive, use the fixes below.
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Quick Fixes for WD External Hard Drive Light On But Not Recognized
Here, you have three options to quickly fix and repair WD external hard drive with the 'light on but not recognized' error:
1. Change the USB Port/Cable to Detect WD External Hard Drive
If the WD external hard drive cannot be detected or fails to show up on your PC, change the USB port (you may try to connect the external hard drive to the motherboard), or connect it using a different USB cable to check if it shows up on the PC.
2. Remove and Clean Up the Virus that Blocks/Stops WD External Hard Drive From Working
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When the computer or the WD external hard drive gets infected by a virus or malware, you cannot access the saved data or even open the drive on the PC.
In this case, use anti-virus software or CMD to remove the virus or malware on your PC or WD external hard drive
3. Turn USB Root Hub On to Make WD External Hard Drive Recognizable
- Click Start > Type: devmgmt.msc and hit Enter.
- Open Device Manager > Expand Universal Serial Bus controllers.
- Right-click USB Root Hub > Click Properties > Power Management.
- Uncheck Allow the computer to turn off this device to save power.
Repeat this process to turn on all USB Root Hubs in the list and reboot the PC. Then, see if the WD external hard drive shows up on your PC.
Advanced Fixes for WD External Hard Drive Light On But Not Recognized
To fix a 'WD external hard drive not detected, recognized or not working but light on' issue without losing any data, follow the following steps without formatting your drive:
1. Make Unrecognized WD External Hard Drive Detectable on PC
Here are two ways to potentially make the WD external hard drive detectable on your PC:
Option 1. Change drive letter to make WD external hard drive show up
1. Right-click on This PC > Manage > Disk Management.
2. Find and right-click the WD external hard drive > Select Change drive letter and path.
3. Assign a new drive letter to your WD external hard drive and save all changes.
You should now be able to see the WD external hard drive on your PC.
Option 2. Show all hidden devices to make WD external hard drive recognized by the PC
1. Click on Start > Type: devmgmt.msc and hit Enter.
2. Click View in the Device Manager > Select Show hidden devices.
3. Expand all notes by clicking on the + (plus) symbol.
4. If there are any greyed-out entries, right-click them and select Uninstall.
5. Reboot your PC.
2. Restore Data from WD Not Working External Hard Drive with the Light On
After making an unrecognized WD external hard drive detectable on your PC, the next step is to restore all saved data. If you have valuable data saved on your WD drive, just download EaseUS hard drive recovery software to get all your data back in a few simple clicks:
Step 1. Connect the external drive to PC for a scan
Connect the external hard disk to your PC and let Windows recognize the disk and assign it a drive letter. Now launch EaseUS Data Recovery Wizard for Windows. Find your drive you want to recover and click Scan.
Step 2. Check the scan results
The scan process takes place in two stages, including a quick scan and deep scan. Deep scan is for searching lost data files that even lost file names, so it's worth waiting longer for the whole scan process to finish and find all desired data. You can try to preview the found files one by one by following their original paths from the leftside tree-view pane, or simply use the Filter function to specify the file type of one kind, like pictures, videos, documents, emails, etc.
Step 3. Select files and recover
Finally, when you are satisfied with the preview results, you can start to select the target files and use the Recover button to get them all back. We suggest you save the recovered files to a location other than the original external hard drive where you lost data.
3. Repair and Fix the Light On but Not Working/Unrecognized WD External Hard Drive
After getting all lost data back, you can follow these steps to repair the non-working WD external hard drive by then:.
Method 1. Uninstall hard drive driver to repair the non-detectable WD external hard drive
1. Click on Start > Type: devmgmt.msc and hit Enter to open Device Manager.
2. Expand Universal Serial Universal Serial Bus controllers > Right-click every USB device found there and select Uninstall.
3. Check out whether any device shows up as unrecognized or not:
- If the WD 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 and reconnect PC again.
Method 2. Change registry and format to repair WD external hard drive not recognized/working error
1. Click on Start > Type: regedt32 > Click OK.
2. BACKUP YOUR REGISTRY by going to file and click Export.
3. On the left side, go to: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E967-E325-11CE-BFC1-08002BE10318}.
4. If you see any upper filter or lower filters on the right side, delete them.
5. Then retry your external hard drive again.
Method 3. Format to repair/reset WD external hard drive
1. Connect the WD external hard drive to your PC > Right-click on This PC > Manage > Disk Management.
2. Find and right-click on WD external hard drive > Select Format volume...
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3. Reset the WD external hard drive letter and file system (NTFS) and save all changes.
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After this, reboot your PC and reconnect the WD external hard drive to the PC. You should be able to use your WD external hard drive to backup files and save data again.