Can anyone help me with my new graphics card?

[master_of_gaia]

Yahoo Answers #1
Computer gets stuck on bios screen after installing new graphics card?
GeForce 8400 GS specs-graphics card 350 Watt or greater power supply with a minimum of 18 amps on the +12
Power supply is a Blue Star 650 Watt.
Read that this happens when you dont have enough power for the graphics card but i think i have plenty. Any suggestions?
3 hours ago - 4 days left to answer.
Additional Details
Everything is installed right ive checked a few times and took it out and put it back in.
3 hours ago

Yahoo Answers #2
Help with bios update?
I have a new graphics card but everytime i install it my computer gets hung on the bios screen. I have plenty of power and it is installed right. Im trying one solution at a time and right now i wanna update the bios but im having trouble finding which one i need. Theres my mobo specs. Thanks for the help. Also if there are any other suggestions for fixing my problem please post them.
Mainboard
Model rc410-m 1.1
Chipset ATI RS400/RC400/RC410 Rev. 01
Southbridge ATI SB400 Rev. 80
LPCIO ITE IT8712
Bios
Brand American Megatrends Inc.
Version 080012
Date 12/2/2006
56 minutes ago - 4 days left to answer.
Additional Details
I built the computer
46 minutes ago

The computer and hard drive work fine with i disconnect the video card
26 minutes ago

[Aleena]

The only thing I can honestly come up with is the power supply...sorry o.o

Mind posting a dxdiag?