Solved No Power Unit Will Not Power On.

November 29, 2013 at 11:29:26
Specs: Windows XP, 1.989 GHz / 446 MB
Windows XP SP2 - Area wide Power Failure with lots of up and down power outages. Afterwards no power to computer (HP Pavillion 750). Replaced power supply. Still no power. What next? HELP!


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November 30, 2013 at 01:06:27
Does it do anything at all when you try to power it up? Is the monitor working?

It must be the motherboard or something connected to it since the PSU is OK. With the power cord removed, temporarily remove all unnecessary add-on cards and disconnect the drives. Then reconnect the cord and try to power it up. If you get a posting or logo screen then one of the disconnected items must be at fault.

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