Asus G72GX with burnt motherboard I have. Use NVIDIA GeForce GTX 260M as external graphics I must.
 How?
Troll,? Troll not. 
Only tell, or tell not. 
There is no troll
Hmm?...
I really just don't have the money for a new gaming rig and don't want to spend cash on another board that might fry out...