|Does the monitor go on standby or does it lose signal from the PC?|
There are a number of possible reasons for the system to halt that way and these include possible overheating of either the CPU or GPU, failure of he CPU fan, Intermittent fault in powersupply Does your system have onboard graphics( Integrated in the motherboard) or a discrete graphics card? Please provide a detailed description of the system including brand name/make/model of motherboard, CPU, ram & Graphics as well as powersupply model & specifications.
Do you have any temperature monitoring software installed? Install Speedfan and report your system temps.
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