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Windows 7: New CPU and MB, how to reinstall using my retail upgrade disc.

13 Jan 2014   #1
rrbum

W7 Home Prem 64
 
 
New CPU and MB, how to reinstall using my retail upgrade disc.

Hello, I will be replacing motherboard and CPU with vastly different models. I am currently running W7 installed from a retail upgrade disc from XP.
I plan on using same hard drives and don't mind reformatting system disk. What is my best bet for a successful reactivation. Thanks in advance for any replies.


My System SpecsSystem Spec
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13 Jan 2014   #2
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

You can reuse your Upgrade key, but you might need to reactivate by telephone.

It might boot up ok, but it`s best to do a fresh install on new hardware.
My System SpecsSystem Spec
13 Jan 2014   #3
rrbum

W7 Home Prem 64
 
 

OK, Like I mentioned I can live with reformat and fresh install. I just did not know if it was legal with the retail upgrade disc as far as Microsoft is concerned. Thanx.
My System SpecsSystem Spec
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13 Jan 2014   #4
Ztruker

Windows 10 Pro X64
 
 

My System SpecsSystem Spec
15 Jan 2014   #5
gregrocker
Microsoft MVP

 

You can try starting Win7 on the HD first.

If it won't start then you can boot freeware Paragon Adaptive Restore CD
to P2P Adjust the OS to the new hardware so it will start. Then reactivate with the Upgrade Product Key to change the hardware signature in MS Activation servers.

This should work without having to do the workaround to install Upgrade version on cleaned HD, but if not simply do the quick registry workaround in Option 2 of the tutorial Ken linked just above.

If you decide you'd prefer to reinstall, when you boot the installer it should detect an OS on the HD and pass a flag allowing use of Upgrade version key during install, even if you go on to delete all partitions to get the cleanest install. If it rejects the key leave it blank and do Option 2 in tutorial in post above.
My System SpecsSystem Spec
21 Jan 2014   #6
rrbum

W7 Home Prem 64
 
 

Thanks all. Everything went fine using windows7 retail upgrade to format and install using the clean install tutorial provided.
My System SpecsSystem Spec
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 New CPU and MB, how to reinstall using my retail upgrade disc.




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