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Windows 7: External Hard Drive not Detected

09 Sep 2012   #11
HammerHead

win 7 X64 Ultimate SP1
 
 

Quote   Quote: Originally Posted by paddi23 View Post
Ive tried all 6 usb ports

they both run on x64

The hdd is from an old laptop in an enclosure

It says seagate momentus 5400.2

Googled it and it says it does not need any drivers so must be a windows problem
I would suspect the "enclosure". If you don't mind tinkering you can remove the drive from the enclosure and either put it in an external dock or remove the side panel on the computer and hook it direct. This would help determine what was actually at fault


My System SpecsSystem Spec
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09 Sep 2012   #12
paddi23

windows 7 x64
 
 

It cant be the enclosure if it connects & is seen on my laptop

But as i have another enclosure, i will swap to see what happens.
My System SpecsSystem Spec
09 Sep 2012   #13
paddi23

windows 7 x64
 
 

As i thought all along it was a power problem.

I needed to use the Y cable for power but it needed to be connected to the mother board USB ports

Once i connected 2 of the Y usb connectors into the back of PC and one into the HDD it installed the driver and now works

Thanks to anybody who tried to help me
My System SpecsSystem Spec
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09 Sep 2012   #14
HammerHead

win 7 X64 Ultimate SP1
 
 
Disk

How is the disk partitioned/formatted? Does it need chkdsk run on it? Are the two operating systems the same?

Too late you already solved. Good!
My System SpecsSystem Spec
09 Sep 2012   #15
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Great to hear you fixed it - good job
My System SpecsSystem Spec
06 Apr 2015   #16
julianzolo

windows 7 home premium 64
 
 
Thank you

Quote   Quote: Originally Posted by paddi23 View Post
As i thought all along it was a power problem.

I needed to use the Y cable for power but it needed to be connected to the mother board USB ports

Once i connected 2 of the Y usb connectors into the back of PC and one into the HDD it installed the driver and now works

Thanks to anybody who tried to help me
It was power in my case too, I did as you say, so I do have to thank you.
For all the other cases where the drive appears in desktop but is not recognized, it is about drivers and that stuff, in our very particular case that it didn't even appear, it was not enough power
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 External Hard Drive not Detected




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