xfx 7850 double d problem

jv0221

Honorable
Nov 5, 2013
37
0
10,530
i bought this card last week .. went good but then after a week
went black screen cant recognize by cpu..i thought it was loose or something but no avail
is there someone having the same problem with this card?
what should i do now...

my pc specs
gigabyte motherboard z 75
cougar 600w
4gb ram
i5 2310