Question about HP Pavilion A520n (DW233A#ABA) PC Desktop
Most times when this occurrs, there is a problem with the power supply inside the unit. It is possible that the motherboard is not telling the power supply to turn on. Any time the computer is plugged in, the power supply provides 5V as a standby voltage. Pressing the power button sends a signal for the remainder of the power supply to start up. If the 5V supply is not present, no action will occur. Try replacing the power supply.
Posted on Mar 18, 2008
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