I don't think there is a need to "un-activate." Upgrading RAM does not
violate the OEM requirements. With Vista, this is basically replacing the
motherboard. If it asks you to activate again after installing more memory
and won't do it automatically, just use the phone method mentioned before.
Since your OEM is not an upgrade, you should be able to go back to XP
without any issues. When you want to re-install Vista, ensure you perform a
"Bryce" <Bryce@discussions.microsoft.com> wrote in message
> Hey I have a Dell Inspiron 1520, it is about 1 month old. It came with
> Basic (OEM), I have used it for a little bit now. Vista is ok, I dont like
> how much of a resource hog it is though. And recently I tried installing
> software that I used to use on windows xp however it did not work
> properly. I
> have decided I want to go back to windows xp, but I would like to keep
> for later use on the same laptop. This would not be a problem except I
> already activated it. So my question is, is there a way to "un-activate"
> vista. So I will have the ability to reinstall it later.
> The matter is further complicated with the fact that it only has 1 gb of
> ram, and I would like to upgrade it to 2gb. But if I do this I am afraid
> I will effect the hash that is used to activate windows. If I wasn't
> upgrading the ram it would prolly be easy.
> Please advise.
> "Mark" wrote:
>> If it is not an OEM version, use the phone method to activate and talk to
>> real person.
>> The phone number should be displayed during the activation process.
>> "Z-Tech Enterprises" <Z-Tech Enterprises @discussions.microsoft.com>
>> in message news:CBD7132F-6B21-426C-B08D-D29A946C606F@microsoft.com...
>> >i put windows vista on one of my laptops but a tookit off and went back
>> > but then i installed itt on another laptop and it said the product key
>> > was
>> > already in use and i bought home premium at best buy