Just to get some good news out of the way. Per the MB manual...
EZ Debug LED: Debug LED indicators
CPU - indicates CPU is not detected or fail
What this means is that even if your CPU wasn't installed, the MB at least should power on and display a CPU fault in the EZ Debug LED. The fact it's completely dead without indication tells me it's purely a power related issue, and not a bad CPU.
ryley_ :
I did not test the motherboard with the CPU [strike]inside[/strike] while outside the case. But the PSU and motherboard powered on while outside the case. I'll try to see if i can get the picture soon so i can go to sleep
So to confirm what you said - Both the PSU and MB powered on outside the case. However, once the PSU, MB, and CPU are together in the case, nothing happens?
Ok, so believe it or not, this IS progress...so far.
To verify, you did connect both PSU connectors to the MB in all instances (CPU_PWR1 and ATX_PWR1), yes? I'm 99% sure you did, but I'm asking anyways for my own sanity.
Try connecting the PSU, MB, CPU, and then power it on OUTSIDE the case. If that works, then there's something going on with the interaction of your setup and that case. We've already established that manually power on the MB via jumper (tip of screw driver) does nothing. So, it's not the case switch.
Should the above situation hold true in that everything powers up and works outside the case, the next step is to remount the hardware back inside the case. Do not connect any case cables to it other than the power switch. If that does nothing, unplug the case power switch and then attempt to jumper the power leads manually on the MB with the tip of a screwdriver. It should only be a momentary contact, do NOT press and leave it there.