Remove wall power, remove the CMOS battery from the motherboard, hold in the power button for about 30 seconds, plug things back and see if it turns on. Can also try with one RAM stick at a time if that does not work or with different RAM.
Remove wall power, remove the CMOS battery from the motherboard, hold in the power button for about 30 seconds, plug things back and see if it turns on. Can also try with one RAM stick at a time if that does not work or with different RAM.