512 RAM Processor Pentium 4 2.6 GHz Video Card ATI RADEON 120 MB Processor's tempirature is 41-44 degrees max. My computer restarts when i use mic/webcam during MSN conversation (all kinds of messemgers). It restarts when i use steam (Counter Strike1.6 and all kinds of valve games). When i play World of Warcraft my computer stucks so i have to restart it my self. When it restarts by itself it shows me blue screen of death. Sometimes during valve games my sound card stops playing sound or computer restarts or it stucks.I formated my HD (doesnt work). Tell me what do i have to do.