My computer keeps locking up and has to be manually shut off with the power switch or the reset button. The last time I had to do this, a solid high pitched beep is all I get. Nothing on the monitor, resetting and power button does nothing. I have checked the cords and power supply . Help!Thanks.
This sounds like what happens when people leave their computers on for days at a time. Replace the ram, clean out the dust with q-tips and you should be fine.