External hard drive not recognized

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Posts
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Thursday May 2, 2013
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Hello,
I am new to the board. I have an issue with an external hard drive & would appreciate any help. I have tried all of the recommendations I have seen to date but nothing seems to help.
I have a Seagate external hard drive. It has been working fine, now the computer does not recognize the device. It simply doesn't show up anywhere. Have tried different cables, USB ports etc. the device has two plugs, one for USB & one for power, it getting power, it lights up. If I go to disc management it does not show up nor does it show on devices. Any ideas?
Thanks,
Oilwell

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Hello,

Try this 1

Click on Start --> In search box, type cmd and press Enter.

"Command Prompt" will be opened.

Now enter the below commands

set devmgr_show_nonpresent_devices=1 --> Press Enter

cd\ ---> Press Enter

cd windows\system32 --> Press Enter

start devmgmt.msc --> Press Enter

"Device Manager" window will be opened.

Now in the device manager, click on "View" --> Select "Show hidden devices"

Now expand all the nodes by clicking on "+" symbol. If you find any greyed

entries --> Right click on it --> Select "Uninstall".

Restart your PC --> Now try connecting your external drive.

Good Luck

You may thank jack4rall for this solution
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Thank you for your response Ambucias. I tried your suggestion however no luck. Computer still done not recognize the device. Any other ideas?
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How long is the usb cable ? Try a shorter USB cable. It may have to do with voltage drop received to and from the port
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Thank you Ambucias,
I tried a very short USB cable, still no luck. What is strange is that it's worked well for the past year & now all of a sudden, it won't recognize the drive.
JC