external hard disk not detected

My External Hard Drive is not Detected

“Hello, I have a problem, I just inserted my external hard drive to the computer, but my external hard drive is not showing on the computer, what’s the problem? How can I solve it without data loss?”

When your external hard drive is not showing on your computer, you need to first find out the reason why your external drive is not showing up. If it is the physical damage or connection problem, you can only do some adjustment to fix it. If it is logical damage, you can use some system tool to repair it. Here I will introduce the specific solutions for you.

Solutions to Fix External Hard Drive not Detected

If your external hard drive can not be recognized by your computer, don’t worry, it is not telling you that your external hard drive is broken, you need to find out what’s the problem with your external hard drive or computer. And there are some aid solutions to fix it.

First, you can unplug your external hard drive, and insert it to your computer again, if it is still not detected, you can insert your external hard drive to another computer, make clear the problem is on your external drive or computer.

If your external hard drive is not detected on another computer, it is the error on your hard drive.

Solutions for Physically Damaged External Hard Drive

Sometimes, the USB port can save a lot of dusts, which affect the connection to the computer, you can first check the USB port of your external hard drive, and use a cotton swab to clean the dash.

If the USB port of your external hard drive was pulled or dragged before, the USB port can get damaged, in this situation, you need to change an USB port to fix it. Or if your external hard drive was dropped on the floor before, it may also get physically damaged, my advice is sending the device to a local digital device repair shop, ask the professional technicians to repair it for you.

Solutions for Undetected External Hard Drive

1. Uninstall External Hard Drive to Fix Unrecognized External Hard Drive

Click “Start” option, run command prompt, type "device manager" or "devmgmt.msc" in the command window, click OK to go.

Find the external hard drive, right click it, choose to “Uninstall” option.

Unplug the hard drive, and insert your external hard drive again.

2. Turn on USB Root Hub to Fix Undetected External Hard Drive

Click on “Start” option, run command prompt, type “devmgmt.msc” and press OK to open Device Manager.

Open “Universal Serial Bus Controllers” under Device Manager, right click “USB Root Hub” and choose “Properties”.

Enter “Power Management”, uncheck “Allow the computer to turn off this device to save power”.

Repeat this process for each USB Root Hub on the list. Then unplug your external hard drive, reboot the computer and try again.

Turn on USB Root Hub to fix undetected external hard driveTurn on USB Root Hub to fix undetected external hard drive

3. Show Hidden Devices on the Computer

Click on “Start” option, run command prompt, type “devmgmt.msc” and press OK to open Device Manager.

Click “View” on the window and select “Show hidden devices”

Click on the + (plus) symbol to expand all notes.

Reboot your computer and try again.

Show hidden devices on the computerShow hidden devices on the computer

4. Make Changes in Registry to Fix Unrecognized External Hard Drive

Notice: these operation need to be performed very carefully, any false operation in the Registry can cause program failure, you need to be careful.

Click on “Start” option, run command prompt window, type “regedt32” in the window and press OK to go. To avoid data loss, you can export regedt32, click “export” to make it.

Make changes in Registry to fix unrecognized external hard drive.Make changes in Registry to fix unrecognized external hard drive.

On the left side, go to:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E967-E325-11CE-BFC1-08002BE10318}.

If there is any upperfilter or lowerfilter at the right side, delete them.

Then try your external hard drive again.

Make changes in Registry to fix unrecognized external hard drive.Make changes in Registry to fix unrecognized external hard drive.

How to Recover Data from External Hard Disk which Is Unrecognized

After you make your unrecognized external hard disk fixed, you can check your data on the device. If your files are formatted or partly deleted, don’t worry, just stop using that external hard drive, and use a data recovery tool to restore the data. You can tryiCare Data Recovery pro , which has excellent data recovery ability and read-only setting to make sure the 100% safety of your files. It is effective and useful. If you are Windows 10/8/7/XP/Vista users, you can free download here:

Free Download

Instructions to Recover Data from External Hard Drive

Step1: Install the program on your computer. Run it, enter “Deep Scan Recovery”.

Recover files from external hard driveRecover files from external hard drive

Step2: Select your hard drive to scan.

Recover files from external hard driveRecover files from external hard drive

Step3: Preview the found data, recover those you needed, and save them to another drive.

Then you can recover all your files safely from the external hard drive.

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Writer of iCareAll Inc., is specialized in fixing various kinds of digital device problems.

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