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motherboards
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Posted by: pvegh
We recently built a computor. Everything was working fine for about 1-week. Then we started getting a notice on the monitor about a week signal. The computor would shut down & restart itself. We have ruled out problems with the power supply unit by hooking it to another computor. Is the problem the mother board or the cpu.
Posted by: redwench
not the cpu. youll need to test seperately the monitor, cable, video card, and motherboard. also, if you have a source of emf nearby, turn it off or move it away.
Posted by: The-AoD
It's EMI, Electro Magnetic Interference. Usually the biggest contributors are large speakers. Anything that is magnetic could actually cause EMI. So if anything is near your monitor, cable, or system that could be "magnetic", move it away.
Best thing to do in the situation is to try your monitor on another system. If that doesn't seem to solve anything, try using a different video card in your system. It may have a problem, and if a different one works; try the problematic one in a different system. The video card's output controllers may be "dying" and causing an actual weak signal to the monitor.
Also, make sure you have your video card (if it's AGP) set to the correct speed in the BIOS. While most motherboards actually automatically detect AGP settings, I've seen an AGP 2x card trying to use the lower voltage capacity of the 4x, which caused a VERY unstable system, and huge problems with booting. As you wouldn't think it'd work, somehow a local guy had a GeForce MX200 AGP 2x running at 4x AGP, and couldn't figure out how to get it to work, so try that. 
If you need anything else, just ask.
Posted by: redwench
i was refering to an electromagnetic field, not interference. there is a difference.
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