I just built my new system, the gpu is in and everything else seems to work. However nothing on my monitor shows up except "going to sleep" I have no idea why. This is the motherboard: MSI 770-C45 AMD 770 AM3
Any suggestions? Could it be to do with the graphics card? I have a ATI 5770
"No video" problems are very common. In fact, we have a sticky that was created just for troubleshooting this type of problem. Let us know how it goes after you've performed EVERY step in the READ before posting about boot/no video problems! sticky at the top of the forum.