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#1
Power Supply Issue
Wasn't sure where to post this (slightly off topic but I figured someone on here would be able to shed some light on this). I have an HP DV7-4285DX laptop, the machine runs Windows 7 Home Premium and is performing quite well after a good weekend of "De-OEM'ing" (uninstalling the crap it came with), however the power supply is doing something I've never seen a power supply do. Yes, it gets warm when its plugged in, but I've seen that before, however it also makes a faint high-pitched whining noise when its plugged in. HP is replacing it under warranty free of charge (had the machine only a week). So my question is, is this normal for a power supply to do this or is that power supply defective?