Comp froze and busted comp

Okay it begins i was playing aion after finally getting it to work on windows 7 pro on my comp bc comp freezes or gets bsod. So im playing computer freezes i say to myself wow again but this time comp just shuts off randomly. Now when i try to turn it on after a few seconds turns off nothing shows on the screen. Ive tried new ram nothing, tried reseating hdd optical drive cpu gpu nothing same problem. When i turn it on the fans do come on wit all the lights works wit and witout battery. Tried discharhin, tried running witput the gpu and cpu still same problem im guessing the motherboard crapped on me. If anyonr can help that will be helpfull.

Msi 1651
t9600
4gb ddr 2 ram
nvidia 9600mgt ddr3