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Windows 7: Upgrading "just" the Processor without re-installing Windows-7 Pro?

25 Feb 2017   #1
Mike Lynch

Microsoft Windows 7 Professional 64-bit 7601 Multiprocessor Free Service Pack 1
Upgrading "just" the Processor without re-installing Windows-7 Pro?

I have two identical HP System, with the exception of the Processor Speed, can I just unplug the C: Drive and move it from the slower System to the faster System?

Best regards,

Mike Lynch

My System SpecsSystem Spec
25 Feb 2017   #2

win 8 32 bit

If the hardware is the same exactly you should get away with it
My System SpecsSystem Spec
25 Feb 2017   #3
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot

As long as the motherboards are identical, there should be no problem, as Samuria said. If they are slightly different, you may have to call to activate again.

And don't forget to update your drivers when you change over. Just in case there are some differences.
My System SpecsSystem Spec

20 Apr 2017   #4
Mike Lynch

Microsoft Windows 7 Professional 64-bit 7601 Multiprocessor Free Service Pack 1


They are almost identical except for the Speed of the CPU's and their Number.

I was going from a Dual to a Quad, my very bad error in describing the Hardware.

I tried and it appeared to work! (Actually, I believe it did work.)

Once I Booted, I noticed it appeared slow so I started trying to find out why.

I did a lot of "stuff" and screwed it up so badly it would not Boot.

I spent days trying to solve this with no luck.

I bought a new hard drive so I could use the original one "as is".

I did a clean install of W7P64 and rebuilt what I could from the backups I had.

I ended up with an in tack functioning System minus some stuff but I had two invest two days to get it.

Well, I was so proud that I went back and redid what I did no destroy the System in the first place, I ran MSCONFIG.

I wanted a faster Boot and boy did I get one.

I changed the CPU count on Boot from 1 to 4.

That was destroyed the System the first time and I did it again, this time I recognized what I did and researched it.

Many User warn about the results of what I did, unfortunately I did not know about their warning.

What happens is the Registry becomes corrupt after the change in the number of COU's.

Nothing I could find or try would fix it.

I invested another two day of starting from scratch and am now back to a functioning System.


Best regards for all the feedback.

Mike Lynch
My System SpecsSystem Spec

 Upgrading "just" the Processor without re-installing Windows-7 Pro?

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