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Turn computer on, does not boot, just gives this high pitch noise that goes awhi

Last response: in Motherboards
March 18, 2012 9:26:47 PM

Was working, then all of sudden went black and giving high pitch sound that stops for a second, starts again, stops again, etc as long as it is turned on.
Don't know if motherboard prob or power supply.

Kept getting "CPU high usage" messages too.

Windows XP
March 21, 2012 7:47:41 PM

Recheck every single connection in your build
March 21, 2012 10:13:30 PM

Also check your CPU Heatsink to make sure its seated correctly. You might of hit the Heatsink off the CPU a bit and getting a CPU high usage error Post
March 22, 2012 11:06:31 AM

Reseat EVERYTHING, it's probably something like your RAM isn't plugged in all the way. Either that, or the guy above me is right and your heatsink/fan isn't doing its job.