No power when you hit the power button

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J

jackaboonie

Honorable
Jan 26, 2014
10
0
10,510
This is my friend's PC. I've done the power supply test with a paper clip and I don't think that's it. I'd think that the motherboard is dead or faulty, but there are two lights on on the motherboard. Could it be the actual button on the front panel? I can't tell what exactly the motherboard is. Is there a way to test if it's the front panel or the motherboard that's the problem? When you hit the power button NOTHING happens, no fans, no lights. The lights that are on are on if the power supply is plugged in.

specs:
GTX 960
3570k
Asus (it was a P8 zomething iirc)
8GB ram
 
Solution
J
Go find the exact model number, then find the manual for the board. Now figure out where it is that the power switch should be connected, it's two pins in a block of many pins. Now unplug all the stuff from that block of pins. Now, having located the two pins controlling the switch take a screwdriver that's just big enough to touch both pins (a phillips head works good) and very quickly touch the screwdriver to those two pins.

If it turns on, then the switch is faulty. If it doesn't, then the switch is probably OK. Assuming the PSU actually works then odds are it's either a faulty motherboard or there's a grounding issue. Take everything out of the case and set it up on a cardboard box and try it out. Without any metal or...
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J

joex444

Distinguished
Feb 16, 2006
1,279
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19,960
Go find the exact model number, then find the manual for the board. Now figure out where it is that the power switch should be connected, it's two pins in a block of many pins. Now unplug all the stuff from that block of pins. Now, having located the two pins controlling the switch take a screwdriver that's just big enough to touch both pins (a phillips head works good) and very quickly touch the screwdriver to those two pins.

If it turns on, then the switch is faulty. If it doesn't, then the switch is probably OK. Assuming the PSU actually works then odds are it's either a faulty motherboard or there's a grounding issue. Take everything out of the case and set it up on a cardboard box and try it out. Without any metal or conductive materials, the board is properly grounded. I'd use a side of a box that doesn't have tape on it just to be on the safe side.
 
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