SFC stands for system file checker. It checks for the integrity of vital windows files required for it to run. I suppose it knows the correct size of the files and if it finds that one has been replaced, it will tell you to put in your disc. I have never found anything but i always run it just in case. A repair install is one step short of a fresh install. It kinda goes back to what SFC does but at a much more thorough level. Goes in, backs up your programs, writes new system files and puts your programs and files back. You do not lose any data. We have to make sure that you have a COA (certificate of authenticity) sticker which has the product key for your xp installation. we will require it and of course the windows xp disc
It really depends on the processor.I would even venture to say 80degrees is tops. and to run the sfc thing: hit "windows key + r" that brings up the run box. then type, without quotes "sfc /scannow" just give in to his demands lol. heres to hoping it finds something.
I've been shutting it off every night since it stopped functioning properly. But before that i mostly left it on because it often (about 75% of the time) blue screened when i tried to put it into sleep mode (perhaps a helpful piece of information?)