GRAPHIC CARD 1GB(FAULTY) IN KARACHI

Graphic card Radeon HD 5700 Series 1gb,gddr5,128_bit. Friends,is Gpu main koi Display Problem hay jub Pc chalao to kuch waqt chal ke display band hojata hay koi lines waghra nahi ati. Isko Repair kranay ki zarurat hay baqi Card boht Acha hay.Dead bhi nhi hay. Bf 1 Mene ispe ye Games kheley hayn:- Metal Gear Solid V(High Settings) Call of duty Black Ops 2(High) Cs Go(Very High) Battlefield 3(Ultra) Hitman Absolution(Ultra) 40_100 fps ati hay... Time pass karne wale na Ayen.. Exchange possible hay with 1gb cards like gt630,gt710,gt 730,quadro 600 0r.kuch barti pesey lelena mgr card working main ho..