7770 problem and bluescreen

Guys
I got my new card MSI 7770 1G and I play on 32 screen, not have game " League of Legend" and I have frizzing and after while my win 7-64 shutdown.
I update my video card drive.
see this pic the video card here did not show I have no idea if it is normail or not


AMD fx-8350

8G ram (use in 1 in 3 slot)

gig 990 fxa-ud5 ( support sli)

500 plus 80 bronz

for win it is give this message

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.256.48
Locale ID: 1033

Additional information about the problem:
BCCode: 3b
BCP1: 00000000C0000005
BCP2: FFFFF880082BE32D
BCP3: FFFFF88008560E40
BCP4: 0000000000000000
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1

and if I have to change my video card, what should I buy? should I go with Nvidia.

I can spent around 150 or 180. or this problem cuz my screen ? but still there bluescreen