I was installing my new card, gtx780. I turned on the system to find out that it wasnt working. I( re-seated the ram cause one side was a little off, and now I get 3 beeps then 1 beep followed by 3 short beeps. My HP screen is up while this is happening, and I cant access the bios. But when I put back in my old card (660ti), everything is fine. Could it be that I tried turning on the system with the ram not in properly the first time and now the system wont work with the 780? or that maybe the memory on the 780 is not working?
I have a 600W PSU (Thermaltake TR2 600W)
Pegatron 2ac2 MOBO
If your BIOS is IBM Bios than that means your PSU does not meet the requirements of the MOBA.
No power or computer does not turn on :
Incorrect power supply
If you are building your own computer or if the computer has never turned on since you purchased it, it is possible you are using a power supply that does not supply enough power or the incorrect power supply. Verify your power supply meets the requirements of your motherboard and processor.