Having problems with your HP Pavilion a735w (PL308AAR) PC Desktop ?
If the power goes out on my system the light on the power supply starts flashing and the computer won't start up. have to unplug the power supply from the motherboard and plug it back in to get the computer to boot up. what would cause this?
HP has a page specifically for troubleshooting issues of the power supply unit (PSU) LED indicator below:
Repair Help & Product Troubleshooting for HP Pavilion a735w (PL308AAR) PC Desktop
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