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Windows 7: Change a Dynamic/Invalid Hard drive to Valid

06 Nov 2012   #11

Windows 7 Home Premium 32-Bit - Build 7600 SP1

I also have not seen the "invalid" tag. It might have to do with the disk being external, just a guess.

My System SpecsSystem Spec
07 Nov 2012   #12

Microsoft Windows 7 Professional 32-bit 7601 Multiprocessor Free Service Pack 1

Quote   Quote: Originally Posted by whs View Post
Was that disk part of a spanned partition on another system?
No, it was attached through a eSata port and used as a backup Disk. On a different PC but with the same OS W7 Pro


My System SpecsSystem Spec
07 Nov 2012   #13
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8

Hmm, then this is completely beyond me. Maybe there is a hardware problem in the disk - but that is only a guess.
My System SpecsSystem Spec

14 Nov 2012   #14

Microsoft Windows 7 Professional 32-bit 7601 Multiprocessor Free Service Pack 1

Hi all

I have this sorted, or at least fixed.

I have no idea why W7 on my new PC saw the disk as Dynamic (and Invalid), my Vista Ultimate machine had no problem with it, VU works with Dynamic disks, I believe W7 Pro does not and called it Invalid because it was Dynamic.

Here is what I did, I used a free hex editor called HXD and followed the advice given here.
How to fix “Invalid Disk” error in Windows 7 | Mike Norman's Blog


My System SpecsSystem Spec

 Change a Dynamic/Invalid Hard drive to Valid

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