hi.i have del inspirion 17 r 5737 /win8.1 ,i7 4 500u,1Tb,4Gb ram,ati radeon hd8870m, service tag DB 58802,my problem ,When install the drivers for the video card, system crash and a black screen appears...I reinstalled win 8.1, BIOS update, I installed all the drivers from the Dell website ...issue persist,...What do you recommend..thx