I have a new Asus Sabertooth z77 and Intel i5 processor. I had trouble with receiving no post upon boot, so I stripped everything out of my rig, booting off of just CPU, motherboard, PSU, and one stick of Corsair Vengance 4GB ram. Unfortunately, this is new ram and I don't have a spare DDR3 mobo to test it in, so I'm switching between the two sticks I have just to make sure it isn't a RAM issue. I am getting no display to my monitor. The red CPU light is lit on the mobo, which according to the documentation, means a CPU error.
My process of elimination:
Removed CPU and reseated it
Tried two different heatsinks in case my aftermarket one was causing the issue
Double, triple, quadruple checked that both the 8-pin and 20-pin connectors were installed correctly
Tried varying ram configurations
Tried different HDMI cords
This PSU was working fine with my other Mobo, so I don't think it's that.
Unfortunately, I'm making the switch from AMD to Intel, so I don't have another CPU to test on the board.
CPU and mobo fans ARE spinning
Board will continue running for extended period, i.e does not restart after a few seconds, indicating overheating
My question is, is it pretty certain I have a bad CPU? Or is there something I'm overlooking? Thanks in advance for any assistance.
It is supported. To rule out a short, try taking the board outside the case, put it on its cardboard, leave only CPU and CPU fan installed, make sure that the 24, 8 pin and CPU fan wires are connected and start the board.
See if still red CPU led.