blue screens of death

vahid300

Honorable
Aug 6, 2013
2
0
10,510
when I installed new cpu, my system show blue screens page and restart for many times. but when installed the oldest cpu system work good. My new cpu is Athlonx3 455 and my motherboard is MSI gf615. I checked in my motherboard support list and see this cpu is supported. whats the problem?