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Windows 7: External Hard Drive Not Recognised Following Windows Update

14 Apr 2011   #11
gregpalin

Premium 64 bit
 
 

Yes, a couple of times.


My System SpecsSystem Spec
.
14 Apr 2011   #12
FliGi7

XP / Win7 x64 Pro
 
 

Ok, does it show up in disk management?
My System SpecsSystem Spec
14 Apr 2011   #13
gregpalin

Premium 64 bit
 
 

No.
It's still generating a 'unknown USB device' bubble, and is listed as unknown in the device manager too.

Should I hit it with a hammer?
My System SpecsSystem Spec
.

14 Apr 2011   #14
FliGi7

XP / Win7 x64 Pro
 
 

Do you have the ability to remove it from the enclosure and hook it up inside your computer?
My System SpecsSystem Spec
14 Apr 2011   #15
gregpalin

Premium 64 bit
 
 

No. It's always just been connected via USB and it's been recognised immediately.

Until today, that is...
My System SpecsSystem Spec
14 Apr 2011   #16
FliGi7

XP / Win7 x64 Pro
 
 

Can you try plugging it in to another computer?
My System SpecsSystem Spec
14 Apr 2011   #17
gregpalin

Premium 64 bit
 
 

It hooked up with my knackered old Vista laptop!
My System SpecsSystem Spec
14 Apr 2011   #18
gregpalin

Premium 64 bit
 
 

OK. It's sorted.

The problems seems to stem from the power supply.

I swapped it with a more powerful one from my housemate's external hard drive and it worked straight away!

Not sure why this is suddenly a problem though.

Thanks for your help anyway - it's much appreciated.
My System SpecsSystem Spec
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 External Hard Drive Not Recognised Following Windows Update




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