- Dec 23, 2017
- 5
- 0
- 510
Hi my computer has been turned off for 2 days it is plugged in and the psu is switched on. Then one time I heard a high pitched noise coming from my computer for a few seconds and it stopped. I don't know which part of my computer it came from so I switched off the power supply and I am afraid to turn it on because something might go wrong. Please help me.
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