Motherboard CPU warning light is on even after replacing CPU and picture won't appear on monitor

Kommando212 · Jul 13, 2013

I am doing a build and I have a saber tooth motherboard with a AMD fx8350 CPU. I installed everything and it turned on but there was no picture. I tested the graphics card and that works and the warning light for the CPU was on so I replaced the CPU but it still doesn't work. I think it's the mother board but I am not completely sure

Dark Lord of Tech · Jul 13, 2013

Did you plug in the 8 pin power connector just above the PSU.

Kommando212 · Jul 13, 2013

Is it the connector that is to the left that is right under the PCI slots?

bignastyid · Jul 13, 2013

Its at the top of the motherboard just above the VRM heatsink.

Kommando212 · Jul 13, 2013

bignastyid :

Yeah I plugged that in. I have all the connectors needed plugged in.

bignastyid · Jul 13, 2013

Could be the motherboard but I would test with another power supply to make sure.

Kommando212 · Jul 13, 2013

bignastyid :

Ok but do you have any idea why the CPU "warning" light would be on after I have replaced it? And the power supply is working properly. But I'll test another one.

bignastyid · Jul 13, 2013

You can get the CPU warning led if the cpu is getting enough power.

Kommando212 · Jul 13, 2013

bignastyid :

Could that lead to not getting the picture as well?

bignastyid · Jul 13, 2013

If the cpu isnt getting power the system wont post, the system has to post before you'll get video.

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Motherboard CPU warning light is on even after replacing CPU and picture won't appear on monitor

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