I just put together a GA-890FXA-UD5 with an AMD Phenom II X6 processor. I am not getting a beep on startup and no display. I cleared the CMOS, the CMOS light is on when I power up. All fans are working. Could someone suggest where I might look to troubleshoot further. This is my fifth build, but its been a couple of years since the last one. Thanks for any suggestions.