Hi!
Got to know what model to be exactly sure.
There are fault LEDs on the back of the machine and there is a speaker on
the motherboard that produces the beeps as you already found. The fault LED
codes for Dell desktops are fairly well documented and generally do a good
job of explaining the problem.
Beep codes only happen when the system can't get the video going for some
reason. So a bad (cooked from heat most likely) video subsystem OR bad/loose
memory is likely.
There probably was no need to buy a new computer, unless your friend really
wanted one...
William
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