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Windows 7: Ever had a problem connecting 2 "identical" external HDDs?

27 Mar 2011   #1
mjf

Windows 7x64 Home Premium SP1
 
 
Ever had a problem connecting 2 "identical" external HDDs?

If you have ever connected 2 identical ext HDDs and found both work fine independently but not when both plugged in.
Then you may have this unusual problem I just struck.
Bought WD Elements 500GB as a present 3 months ago.
Bought another on special recently.

Whenever one is plugged in first works fine. Second one is not assigned a letter and offline. Reverse the disks and the same applies.

Both where manufactured with the same disk signature!!!!
Changing the disk signature of one solved the problem.

My System SpecsSystem Spec
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27 Mar 2011   #2

win 7Professional 64
 
 

Possible driver signature problem. Look in storage devices for an error, maybe
My System SpecsSystem Spec
27 Mar 2011   #3

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Interesting, mj.

Windows is supposed to do that for you.

Perhaps it doesn't if they are both usb connected.
My System SpecsSystem Spec
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27 Mar 2011   #4
mjf

Windows 7x64 Home Premium SP1
 
 

Quote   Quote: Originally Posted by SIW2 View Post
Interesting, mj.

Windows is supposed to do that for you.

Perhaps it doesn't if they are both usb connected.
Yes that also puzzled me about Windows not automatically changing one.

It was a long shot - I looked at the MBR of the disks with a Hex editor and couldn't believe it.

What about the poor soul that just wants to plug them in and work!
My System SpecsSystem Spec
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 Ever had a problem connecting 2 "identical" external HDDs?




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