Beeping vary with each manufacturer, but verify if your wires are firmly connected (keyboard, mouse, video, etc.) If problem cotinues, then verify computer memory, you need to open it, and unplug/plug each memory card, sometimes just one are damaged, so... try each one alone.
thought this was a search
I was wondering what the motherboard was so I could find out what the 3 long beeps at startup mean
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