[WhiteRat]

I had this exact same problem happen about a month. I got the same No Input message and the computer powered up fine. I installed a different video card and used a different monitor and the same shit was happened. After talking to a more knowledgable friend, we came to the conlcusion that the motherboard had to be fried(my hdd and other components worked fine in my roommate's comp). I ordered a cheap new one from New-Egg.com, installed it, and everything worked fine.