CommentStreams:D7bddc9f643cbafeaab5d9de012adbb7

This is my 2nd comment ..My laptop have black screen and i have gtx750ti and my laptop is dell e6420 i5 2ndgen ..the problem is when i plug exp gdc dock laptop intrrnaldisplay not work and then if i use external moniter its works fine . With external moniter its only shows gtx750ti on device manager(display adopters) .. integreated graphics which intell hd3000 not show ..plz help me i spend almos5 50$