ok so my games keeps just restarting, so that tells me something prob over heating. went and downloaded a tool (speed fan) to read the temps over everything but everything but one thing says its good and that is core temp. but whats core temp? here is temp readings
those temps are alright including the core. is the computer restarting as sounds like possible videocard problem? is this a recent problem with the games or has it been an ongoing issue?
Remove all unnecessary components (second hard drive, ad-on cards, cd/dvd drive, only one ram stick) and check to see if it becomes stable. If the computer is stable after doing this.
THEN Change the power supply, plug all the components back in and hopefully, now, it should be stable.