Hello dear friends, today I bring you a question that maybe more than one could help me, I need to know if there is any modification in the bios for the computer type dell optiplex 790 in which I can insert the nvidia gtx 650 1gb gddr5, now I see that the port pcie is limited to 35 watts and therefore does not let me put this video card,whem im put the video card gtx 650 the computer dont show any video in the monitor, I currently have a nvidia gt 520 1gb ddr3 of low profile, I need to know if I can do something to be able to insert this card in this dell computer, please I urgently need your help, I would be very grateful from Jose =)