Copia de Z77a-g45 gaming code 99 super i/o problem

I changed my vga, and this error appears, no beeps no Connection to keyboard, mouse or USB in general dosent load bios Just 99, the. Fans works all of them when is in the case, power supply its ok. Shity MSI ive been reading for this problem. It happens a lot in msi mothers and they doesnt give a satisfactory answer.