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**binamras** · (This post was last modified: 06-13-2015, 12:31 PM by Britec.)

Hi everyone

I had a windows vista pc and a hard drive is missing now. I do have a hard drive which is running win 7. I pluged that hard drive into win vista pc. But its not working, i thought it is simple as the hard drive is running win 7 it should work but i was wrong. So i was wondering if anyone would advice me what i should do to run it .

thank you,
Ben

**Compton** · (This post was last modified: 06-13-2015, 12:31 PM by Britec.)

what is the error you are getting when try to boot ?

you may have to set the hard drive to boot first in the bois

**Timster** · (This post was last modified: 06-13-2015, 12:32 PM by Britec.)

Ben you may have a difficult time getting that hard drive with Windows 7 to boot in a different machine. You need to uninstall all of the system drivers from the Windows 7 install before fully booting up in the computer that had Vista. Do you still have the computer that the Windows 7 hard drive was in? If so you need to put that hard drive back into that computer and go in and uninstall all system drivers (ie. Chipset, sound, processor, video, etc). You can do this through device manager. If you do not have the original computer that had the Windows 7 drive then you can try booting into safe mode in the Vista machine and then go in and uninstall all of the system drivers. You then may be able to boot normally but you would have to then install all of the Windows 7 drivers for that mother board and hardware. Hope this makes sense but you may be better off just re-installing Windows on a working drive. You may also have a issue with Windows activation if everything else works. Good luck

**binamras** · (This post was last modified: 06-13-2015, 12:32 PM by Britec.)

Hi tim
Thanks for your reply. I do have pc thats running win 7. how do i uninstall all from device manager and what should i uninstall. once uninstalled what should i do next.
thanking you,
ben

**Timster** · (This post was last modified: 06-13-2015, 12:32 PM by Britec.)

You would need to follow the steps explained in this Britec video to uninstall those drivers.

**binamras** · 06-13-2015, 01:13 PM

i did follow the instruction but still the same. i thing i might need to format it completely. how do i do that. please advice.

ben

***Britec*** · 06-13-2015, 01:21 PM

Here is some information for you

Upgrading from Windows Vista to Windows 7

Windows Easy Transfer

How To Upgrade from Vista to Windows 7 Home Premium Edition

Third Party Tool - PC Mover

**binamras** · (This post was last modified: 06-13-2015, 01:27 PM by binamras.)

thank you i am formating now. so once its finished i take out the hard disk and put into the vista PC right?

thanks once again.
ben

**Compton** · 06-13-2015, 01:57 PM

lets clear this up you are going from windows 7 to vista or from vista to windows 7?

**binamras** · (This post was last modified: 06-13-2015, 02:12 PM by binamras.)

hi compton
as i said earlier i have win vista PC but no hard drive. The hard drive i have is running win 7. As adviced i formated the hard drive and put it into the vista PC. i changed the CMOS date and time and on boot option i set it to hard drive. After that it gives me 2 option startup repair and start windows normally. I did start windows normally and what it did was it said windows starting but it stopped and went back to the same 2 options. What should i do now.
thanks
ben