AdviceCPU Replacing and HDD QuestionPosted:

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Hello! I am currently working on a PC and I have already received most of my parts atm. The thing is, I don't have an OS currently and I plan on reusing the one that was on my old computer (Win 7).
So a couple questions:

Even after I replaced my motherboard, is it OK to reuse my HDD from my old computer to reuse the OS, or does it not work?

Also, is it OK to switch to an older processor just for the sake of re-accessing my HDD while I wait for my new one to arrive?
#2. Posted:
Sean
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If you make lots of hardware changes Windows may have lots of issues due to drivers I would always say you should do a fresh install when you reconfigure your hardware.

I think you should just backup your data now and run something portal from the USB Stick for now like Linux or something until you have all your parts.
#3. Posted:
Mitochondria
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Sean wroteIf you make lots of hardware changes Windows may have lots of issues due to drivers I would always say you should do a fresh install when you reconfigure your hardware.

I think you should just backup your data now and run something portal from the USB Stick for now like Linux or something until you have all your parts.


He could take the slightly longer route, and clone the OS, most cases it will boot into it. Just would need to drop the old drivers, or update them a little. IF anything he could wait for the new one and take control over the old and copy what he needs ETC.

+1 for linux mention
#4. Posted:
r00t
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You can use the installation with new hardware, but you have to take care of the drivers as Sean mentioned. You can use a tool called sysprep to prepare the OS to accept new hardware.

When you are ready to move the drive to your new computer, press Win+R to open the run window, type "sysprep", and press enter.

https://i.imgur.com/fwiOYkb.png

Keep "Enter System Out-of-Box Experience (OOBE)" in the first drop-down, tick the "Generalize" checkbox, and change the second drop-down to "Shutdown".

https://i.imgur.com/4pLIXBR.png

When you start the new computer and boot to the drive, Windows will detect new hardware and use appropriate drivers.



Licensing is another matter. Assuming you used an OEM Windows 7 key, it is bound to the motherboard when activated. You can try to get Microsoft to let you activate again, but I've never done this and I'm not sure what to expect with 7 being so old. The easy answer is that the motherboard change will invalidate your license and you need a new one.

If you have a retail copy of 7, you should be able to activate again on the new board.
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