new cpu no monitor signal

raydar89

Honorable
May 14, 2013
14
0
10,510
I recently tried to switch my amd Athlon quad core to an amd eight core. When i switched out the old one for the newer one i got a no monitor signal. so i swithched it bask and it works fine.
HELP PLEASE.........
 

raydar89

Honorable
May 14, 2013
14
0
10,510

It's a gigabyte motherboard only a year onld and the cpu is an amd fx 8 core 3.1 ghz.