Hi my problems arose when i installed my second 660 ti gpu in and my mother board doesnt want to reconize it i'm confounded bout what to do I have updated my bios on my motherboard updated the drivers on my gpu and have tried switching gpu slot as well and still nothing and i also removed my sound card as well and still no luck and have double checked all my power connectors and made sure both cards are seated in correctly as well any help will be appreciated
system specs:
mobo msi Z77A-GD65 gaming
I5-3570k oc to 4.2
Kraken X40
Kingston Hyper X Beast ram 2x4gb at 1600mz
msi 660ti 3gb
sound blaster z sound card
psu TX850M
adata 120gb ssd
seagate 1 terabyte hard drive