Member Avatar for Kansas Ron

I am trying to test a motherboard and CPU, to determine if it is usable. I have The following connected to the motherboard:

  • CPU
  • CPU fan
  • 1 stick memory (already tested)
  • Video card

I have it on a bench rather than in a case. Fans work on power up, monitor is getting a video signal. It does not begin POST at all - just blank screen. The only thing I know that is not connected is a switch connection from a case.

Do I need to have one connected to get POST? Could I just jumper the pins?

Thanks for any responses.

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  • Latest Post Latest Post by alc6379
Member Avatar for alc6379

You can just shunt the jumper. I often times just touch a screwdriver to the two power pins to start a benched system. Do you have another video card/proc/mb to try? I'd start testing these components each, one by one. Put the proc in a known-good system, etc.

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