i upgraded my gpu on my dell stuido 540 q9400 2.6 8gigs ram 1tb hd so i up graded from a 9800gt to a evga gtx460 1028 SC i also put a 650 corsair power did all the drivers and that everything seen to be working ok but when i play star craft2 it still lags seems to run the same on the 9800gt good 120 fps last night on the 9800 and under 40 today on the gtx460 i should beble to run this game on full i have a acer 3d monitor ive testted my internet at speed test and pingtest.net i have minimul programs installed im using kaspersky pure