You will be the 4th person I've encountered to have Asus motherboard problem on video chip (maybe south bridge?). BEfore you lost your pc, you might get internet or wi-fi problem.
You may have to buy a new MB such as this one: biostar a760gm2+ It is for $40 and runs great for me using my dead HP's CPU, memory and HDD.
The difficulty is where you can get a OS.