WD hard drive can be seen in device manager but cannot be accessible

s_pisces

Honorable
Dec 6, 2013
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I have a Western Digital 500GB external hard disk. It suddenly stopped getting recognized in "My Computer" to access any data. I can see the hard disk lighted up and hear it running but cannot access it.

I tried to go to Disk Management, it shows Disk 1 Not initialized, unallocated.

Is there a way to retrieve the data? There is lot important information that I don't want to loose :(