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Reinstalling Windows when switching CPUs

post #1 of 7
Thread Starter 
I upgrading from a AMD Phenom II x4 965 to a FX-8350, should I reinstall windows after doing the upgrade? I know it will work, but I'm worried that I won't get as much as a performance increase if I don't.
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Epic AMD Power
(19 items)
 
First Gaming Rig
(10 items)
 
The Dinosaur
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AMD Athlon 64 x2 3800+ ASUS A8N-SLI ATI Radeon 4850 512MB 3GB Corsair PC-3200 CL2.5 
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Seagate Barracuda 7200.10 500GB IDE (Windows) WD Caviar 40GB SATA (Linux) IDE DVD±RW drive Windows 7 Home Premium x64 
PowerCase
OCZ StealthXtream 600W Cooler Master Elite 430 
CPUMotherboardGraphicsRAM
AMD Athlon 64 x2 3800+ 2.0GHz Asus A8N-SLI EVGA GeForce 9500 GT 512MB 2x1GB Patriot PC2-3200 DDR 400MHz 
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post #2 of 7
I personally would just because of driver issues and whatnot from different mobos/chipsets
post #3 of 7
You don't need too, but it can't hurt.
post #4 of 7
If you did a direct upgrade on the same motherboard, you don't need to reinstall the OS. If you switched motherboards, you should reinstall even if the OS re-detects all of the hardware and works.
     
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post #5 of 7
What the guy above had said. If you're using the same motherboard, no need to do so. If you're using a newer motherboard, you may be able to get away using sysprep.
Just remember to download the patches for the FX CPUs if you're running Windows 7.

http://support.microsoft.com/kb/2646060
http://support.microsoft.com/kb/2645594
post #6 of 7
In all the AMD board or processors I have done I haven't yet had to reinstall windows what I have done first is to uninstall the catalyst and driver software. The other thing I always have done is to download the newest drivers for the motherboard, or peripheral device first been caught once to often with wonky driver software CD,s. The other thing I have done if I am changing processors is to remove the processor from device manager and then shut down and then do the swap.

However if your computer hasn't had a reinstall in the last couple of years and you are always installing and unistalling things use it as a good excuse to do a backup and reinstall the lot.
post #7 of 7
as the guys above said. You don't HAVE to resintall but its normally a good idea to reinstall if you do get a new motherboard and cpu combo. But if you have a lot of big programs and what not on the pc then its not really necessary to do it. But it does help.
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