There's a troubleshooting checklist in my signature that was created to troubleshoot problems like this. Let us know how it goes after you've performed every step in the checklist.
Tried the tutorial to no avail. But how do I know which is dead the mobo or the PSU? I don't have another PSU with the required voltage to test the mobo, and no multimeter to check the PSU... I don't think its the CPU, I mean the fans won't even move.