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WD 2TB HDD's not recognized by windows 7/8 x64

Last response: in Storage
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September 23, 2013 3:12:03 AM

Hi all,

I have two WD HDD's one is 2TB elements and the other one is 2TB passport.

Both are not recognized by windows 7/8 x64. but works well on XP x86 and windows 7 x86.

I have checked both for bad sectors or faults but both are perfectly OK.

How can it be?
What can i try to make them work?

P.S- I even checked the HDD's with a bran new out of the box VAIO with windows 8 x64 but it also didn't shows.

Thanks,
Guy.
September 23, 2013 3:15:22 AM

get2guy said:
Hi all,

I have two WD HDD's one is 2TB elements and the other one is 2TB passport.

Both are not recognized by windows 7/8 x64. but works well on XP x86 and windows 7 x86.

I have checked both for bad sectors or faults but both are perfectly OK.

How can it be?
What can i try to make them work?

P.S- I even checked the HDD's with a bran new out of the box VAIO with windows 8 x64 but it also didn't shows.

Thanks,
Guy.


What motherboard to you have? Some motherboards don't recognize large HDDs...
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September 23, 2013 3:23:32 AM

I'm using a Lenovo X1 i7 win7 x64 fully updated.
I have tried it on my home laptop Asus UX32VD-DH71 win8 x64
I even checked it with a new VAIO (out of the box) SVP13215PXB.

On a Lenovo T420 with win7 x86 and on any XP x86 that i checked it is working perfectly well.

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a b $ Windows 7
a b G Storage
September 23, 2013 3:49:15 AM

its not the processor architecture and its not the motherboard especially with a USB drive it doesn't matter what motherboard, the size limitation is dictated by the usb controller its self, software limitations come down to file system - NOT motherboard, boot device maybe a limitation but USB handover is all down to the controller

your seeing coincidences here

in device manager are you seeing a WD SES driver missing when the drives are present?

also - if you plugging them into a desktop machine is it via front USB ports or rear USB ports, if its connecting to a laptop try the other side
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a c 228 $ Windows 7
a c 371 G Storage
September 23, 2013 4:46:14 AM

Just so you know, x86 is an instruction set architecture. It has nothing to do with bits which today is usually 32 bit or 64 bit.

http://en.wikipedia.org/wiki/X86
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