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Windows 7: Hard Drive Keeps Disappearing

04 Oct 2012   #1

Windows 7 Home Premium 64 Bit
Hard Drive Keeps Disappearing

I have 3 drives in my system.
Boot Drive
2TB WD Black Caviar
3TB Hitachi Deskstar

The 2TB will come & go. Sometimes its there, sometimes it's not. I have replaced the HD (it used to be a Hitachi), replaced cables, changed drive letter and even replaced the motherboard to no avail.

Any ideas or suggestions would be appreciated.

My System SpecsSystem Spec

04 Oct 2012   #2
Microsoft MVP

Windows 7 Ultimate SP1 X64 (Windows 10, 8.1, Linux Mint, Windows XP and others in VM)

I think the first thing to do would be to download Western Digital's hard drive diagnostic program, Data lifeguard. That should be able to tell you if the problem is the hard drive or something else. If the drive fails, you can try to RMA it if still under warranty.
My System SpecsSystem Spec
04 Oct 2012   #3

Windows 7 Home Premium 64 Bit

Thanks for your reply. I'm pretty sure it's not the drive. It (the WD) is a new drive and the previous drive that I replaced with this one did the exact same thing. It was a totally different brand (Hitachi Deskstar)
My System SpecsSystem Spec


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