Okay I'm banging my head against the wall here hoping it's not a bad mobo
Specs
Rampage V Extreme
Intel i7 5930K CPU
Gigabyte GTX980 Graphics x 2 in SLI
32 GB Geil RAM DDR4 2600
Corsair H100i water cooler unit
First boot the Q codes cycled through 4 or 5 numbers, couldn't really remember any of them and then it shut down. Rinse and repeat 3 or 4 times. Then finally boots up, POST appears on the monitor and I can see it detecting all the peripherals. The last thing I remember seeing is the mouse and keyboard successfully detected, I got up to grab my Win7 DVD to install windows, put it in the drive then when I looked back the screen is black and the Q code is showing 00.
What I've done
- USB bios flash to latest
- checked CPU is seated correctly and no damage to pins
- Unplugged all peripherals except 1 graphics card and single stick of ram
- safe boot doesn't work
- LN2 jumper changed in case of cold boot bug
- All PCIE slots deactivated with switch except one in use
My heart tells me that given it started to boot and appeared to be working that it's most likely a bad mobo, but just in case there is something I've missed I thought I'd try here. Oh and I have all 9 mobo risers below the board so there is no touchy feely with the case going on
😉Edit : look like faulty mobo, I had another CPU handy and tried with that and no different, still Q code 00 even when there is nothing connected except the CPU.