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New CPU = windows reinstall?

Thanks, and I've just noticed my god awful spelling.

I think I just about meet the membership criteria :D, a little way to get to the posts though :)
 
Just replaced my m/b, cpu, ram and gfx card for the 3rd time with the same XP OEM licence. No problems at all, plus have never had to re-install, and my XP disc is pre-SP1 so I even had to slipstream a new disc with SP3 integrated to allow the PC to use the CD.

Microsoft even have the instructions in the knowledge base to allow you to do it.

I've gone Athlon XP > Athlon X2 > Intel E8500 no problem.

This might be helpful:
http://support.microsoft.com/kb/824125
 
I've never tried doing it the way that that Micosoft link suggests. I usually just uninstall as much drivers as I can, choosing the restart later option etc, before then swapping the mobo and restarting.

This last time moving from and nforce 3 chipset to nforce 4 I had a bit of a panic when I had no usb mouse movement. Tried unzipping and installing the new mobo drivers via keyboard for a bit before giving up and just guessing what "found new hardware, install automatically?" to go ahead with to get the mouse working.

Back on original thread topic, I find it completely infeasible that a cpu upgrade could cause a (major) problem with a 'non activation' version of windows.
 
Just replaced my m/b, cpu, ram and gfx card for the 3rd time with the same XP OEM licence. No problems at all, plus have never had to re-install, and my XP disc is pre-SP1 so I even had to slipstream a new disc with SP3 integrated to allow the PC to use the CD.

Microsoft even have the instructions in the knowledge base to allow you to do it.

I've gone Athlon XP > Athlon X2 > Intel E8500 no problem.

This might be helpful:
http://support.microsoft.com/kb/824125
u didn't read the bottom part

Users who run a Microsoft Original Equipment Manufacturer (OEM) operating system may upgrade or replace most of the hardware components on the computer and still maintain the license for the original Microsoft OEM operating system software provided by the OEM, with the exception of an upgrade or a replacement of the motherboard. An upgrade or a replacement of the motherboard is considered to create a new personal computer. Therefore, Microsoft OEM operating system software cannot be transferred from another computer. If the motherboard is upgraded or replaced for reasons other than a defect then a new computer is created, and a new operating system license is required. If the motherboard is replaced because of a defect, the user does not need to acquire a new operating system license for the computer. The motherboard replacement must be the same make and model, or the same manufacturer’s replacement or equivalent, as defined by that manufacturer’s warranty. The reason for this licensing rule primarily relates to the end-user license agreement (EULA) and the support of the software covered by that EULA. The EULA is a set of usage rights granted to the end-user by the computer manufacturer. The EULA relates only to rights for that software as installed on that particular computer. The System Builder is required to support the software on that individual computer.

Understanding that end-users, over time, upgrade their computers with different components, Microsoft views the CPU as the one remaining base component that still defines that original computer. Because the motherboard contains the CPU, when the motherboard is replaced for reasons other than defect, a new computer is essentially created. Therefore, the original OEM cannot be expected to support this new computer that they did not manufacture.

The licensing rules do not apply to non-OEM Microsoft operating systems.

simple as that...

legit information straight from microsoft own site.

now lets stop telling people that they can do something when it clearly shows that they can't
 
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read the license agreemeant mate...

so you reinstall windows BUT your unlicensed. when u call microsoft do u tell them the truth that u upgrading your motherboard?? i don't think so!!! because if u told them the truth they would say no they won't reactivate u.

being activated doesn't mean your licensed..

theses forums are for to give legit information. OEM licenses are tied to the motherboard.. if u upgrade your motherboard a lot then get a retail license.

Well that's the reason why you don't buy OEM i guess. I know there are restrictions, the whole points system in terms of upgrading on the standard versions, but i have never had a problem getting a Microsoft employee to reset that when i have made a major system upgrade.

Oh yeah and i have never had to reinstall because i got a new motherboard either, but as i often get a complete new system when i buy a new mobo i often just do it for the cleanup, latest service pack slipstreamed etc.
 
Well that's the reason why you don't buy OEM i guess. I know there are restrictions, the whole points system in terms of upgrading on the standard versions, but i have never had a problem getting a Microsoft employee to reset that when i have made a major system upgrade.

Oh yeah and i have never had to reinstall because i got a new motherboard either, but as i often get a complete new system when i buy a new mobo i often just do it for the cleanup, latest service pack slipstreamed etc.
when i said reinstall it i meant reactivate it.. reactivating a oem license on a different motherboard isn't allowed.

thats what i meant

yes microsoft maybe will reactivate u if u lie but you'll be unlicensed. if u tell them the truth that you've upgraded your motherboard they won't reactivate u.
 
"If the motherboard is replaced because of a defect, the user does not need to acquire a new operating system license for the computer"

So if I want to upgrade my PC I can remove the system board and stick a screw drive thru it, its now faulty and its totally legit to re-activate my old oem xp on my new MB... ?
 
"If the motherboard is replaced because of a defect, the user does not need to acquire a new operating system license for the computer"

So if I want to upgrade my PC I can remove the system board and stick a screw drive thru it, its now faulty and its totally legit to re-activate my old oem xp on my new MB... ?
if the motherboard is still under warranty then it can replaced. not upgrade

If the motherboard is replaced because of a defect, the user does not need to acquire a new operating system license for the computer. The motherboard replacement must be the same make and model, or the same manufacturer’s replacement or equivalent, as defined by that manufacturer’s warranty.
 
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Over the last few days I have upgraded my qx6700 to a xeon x3350 (same speed but more L2 cache) and didn't need to re-install/re-activate windows (vista x64) so you should be ok
 
reading your original question again, the cpu upgrade will not require you to reinstall windows, and if for some reason it did decide to de-activate windows jsut re-activate it again, if it wont work over the internet and you have to call they wont ask if you have changed anything they will only ask if its the same machine so you dont have to lie about anything... infact last night t was totally automated no operator at all.
 
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