I am upgrading a friends PSU from a 250W to a 400W so that she can use a video Card. My questions is, do I need to do a clean install of the operating system for the PSU and card? The was no vid card on the system before, I am giving her my old 7800 GT. It has a dual Linux/XP pro system installed and I would not know how to redo the linux part if I have to do a clean install. Thanks for the advice>>>>
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