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Windows 7: Lost external drive

23 Jun 2010   #1

Windows 7 Pro 32bit
Lost external drive after update

I am using Windows 7 Pro. I did an upgrade this morning and when the desktop restarted, I lost an entire external drive. It showed the drive letter, but told me that in order to use the drive, I would have to reformat it.
I tried the same drive in a Vista laptop with the same results.

What happened and how can I fix this?
Pardon me for being skeptical (Vista user), but is this going to happen again?

Please help.


My System SpecsSystem Spec
23 Jun 2010   #2

Windows 7 Ultimate x64 SP1

Did you have the drive plugged in during the install?
My System SpecsSystem Spec
23 Jun 2010   #3

Windows 7 Pro 32bit
re: Lost External Drive

I think perhaps the wording was misleading. What occurred was right after a Windows 7 "update", not upgrade. I have had Windows 7 for a few weeks and installed their software updates. And yes, the device was plugged in for the updates.

Apologies if there was any confusion...

My System SpecsSystem Spec

23 Jun 2010   #4

Windows 7

just some basics... but unplug the drive power and usb cable. Reboot your computer, then plug the drive back in. Maybe go into computer management and uninstall the drive, then do a rescan.
My System SpecsSystem Spec
24 Jun 2010   #5

Windows 7 Pro 32bit

Thanks, but 'been there, done that..'

My System SpecsSystem Spec
24 Jun 2010   #6
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8

Open an elevated command prompt and run chkdsk /f X: , where X is the letter of the drive
My System SpecsSystem Spec

 Lost external drive

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