ASUS Direct CU II 7870 not working

ShinobiSamurai

Honorable
Apr 5, 2013
12
0
10,520
Well I just upgraded my Sapphire 6670 to an ASUS 7870, I booted up my PC and popped the driver disk in installed it, then it asked me to reboot so I did. It then loaded so I tried the DVI port but nothing popped up like my monitor picked nothing up. The fans are spinning and I can see two lights on the card. Have I done something wrong? I started thinking my Mobo was the reason but a friend of mine has the same Mobo so I'm not sure. Do I need to do something in my Bios or wipe my windows? Any help will really help, I'm kind of in a mess here. Here is my shortened spec list

AMD Phenom ii 965 x4 3.4GHz
ASRock 880gm le-fx
8GB 1333MHz Kingston DDR3 RAM
730w Be quiet! l8 PSU

Thanks :)