Without specs it's rather difficult to troubleshoot. However, there are several things that may be factors. If a block of ice helped before it may be a heating problem, this could be caused by clogged, dirty heatsinks, broken fans, or dust and debris in the case among other things. If you're comfortable with opening it up, that's what I'd check. Make sure you've done a chkdsk and defrag on the computer as well, I wouldn't wipe the hd and reinstall the os before checking for physical causes to the problem first though.
well from like 1 year or so i have a problem with my pc.when i start it it works perfectly for the first 10-30mins and than it gets overloaded by somthing.its like i have launched enought programs to causa the processor to work on 100% and in the same time im trying to play a game.
if i restart the pc again it works fine for a while and than slows down very fast.Now last year i just put a block of ice on it and it works great for like 3-4 hours ,but this summer this aint working i tryed everythig from registry fix to chaching skype version.and i only turn skype on very rarely so its not it.
can u help me fix my pc cuzz im planing to reinstall windows xp in a few days.thank u