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HP Pavilion Computer off/on switch won't work

\015 It has 110 volts at the AC power cord that plugs in to the power supply in the back. It was working fine when I shut it off but now it won't turn on. \015\012\015\012If the cmos battery goes dead, would this cause the problem?\015

Answers :

Which voltage that the Adapter use, 220?? and at your home which voltage 110 or 220??
if its right the adapter and home voltage same?? just fulled out the battery and use power from adapter if it OK. shutdown and re-attach your battery
No the cmos battery supply charge to the cmos chip that save your boot settings and time.

What you need to do is take the cover off the pc. Take the large power connector of the motherboard. find the green wire in the connector, take a paper clip and connect from the green wire to any black wire in the connector. This will switch the PSU on if it is good.
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