Issue with video card after transferring to a new chassis

BBSC384

Honorable
Jan 26, 2014
1
0
10,510
I transferred my pc to a new tower so it could get better airflow and keep my temps normal. After installing everything and connecting my PSU to all my components, I turned on the computer. The fans all turn on and my hard disk and optical drive turns on but the computer does not boot. After that I turned off the computer, cleared the cmos and tried again. No boot. Then I removed the video card, cleared the cmos again and turned it on with the vga plugged into my integrated graphics. Everything now works, but I am not sure what happened to my video card and if I can fix it. It's about a 3 and a half year old video card. Has anyone else had this issue?

Specs:

Asus M4N78-AM
AMD Phenom II X2 555 dual core
Radeon hd 5770
cooler master 500w power supply