Restore hard disk signature

Question

I have put my desktop hard drive into another machine. To make it usable I had to go to Device Manager and click Online.

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When I put my hard drive back into the old PC, I am not able to boot the PC. Is there any fix available?

EDIT: Can this could be fixed with fdisk/fixmbr with windows repair disk. What is community advice?

Did you check this article already? Fixing Disk Signature Collisions — and31415, Mar 29, 2014 at 10:15
@and31415, Yes I went though that article, Mark says 0x38 (remember to reverse the order of the bytes) Couldn't understand that part. — Abhijeet, Mar 30, 2014 at 5:44
Take the four bytes (pairs of hexadecimal digits) found at offset 0x38 in the registry binary data, as described in that article, and reverse the order of the bytes (i.e. last byte first, etc). Use the resulting string of 8 hexadecimal digits as the disk signature you restore using DISKPART at the command prompt. — kreemoweet, Mar 30, 2014 at 6:52

Abhijeet · Accepted Answer · 2014-04-02 17:38:39Z

I booted up from windows 8 disk and selected startup repair. It did not help.

I just recovered my OS & app installations by following this article

Done.

P.S. Follow above for better explanation & steps with screen-shot.

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