i have a socket 478 pc running windows xp pro
last week i cleaned the heatsink and fan, two days ago it stopped working.
there is power to the system, and the monitor works when pluged into my laptop. it would work for a little bit ( sometimes as long as 5 min )and then stop.not freze up but stop. power still going to tower but no picture on the monitor.i changed the heatsink and fan and now it wont work at all.
any help or suggestions would be helpfull thanks

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