Posted 21 April 2009 - 08:52 PM
Crashes (BSOD), unexpected shutdowns, sudden freezing, random restarting, and booting problems could be symptomatic of a variety of things to include hardware/software issues, overheating caused by a failed processor fan, bad memory (RAM), failing or underpowered power supply, CPU overheating, motherboard, video card, faulty or unsigned device drivers, CMOS battery going bad, BIOS and firmware problems, dirty hardware components, programs hanging or unresponsive in the background, and even malware. If the computer is overheating, it usually begins to shutdown/restart on a more regular basis. Without more specific information, its difficult to pinpoint the exact cause. IMO if you paid $300 for repair, you paid too much.
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