Any help? My Acer m7720 Can't switch On, CPU fan not working but have power led lit in motherboard.
unplug power cable, open the left side of PC case, look for a round silver battery (it's under the graphic card), take off battery for about 5 minutes, check its voltage too)
press power button twice
then put back the battery or replace it if voltage is low (under 1.2V)
put the power cable back and try to power your PC
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