today I updated from win 8 to win 8.1 and on restarting my resolution was 1280x768.Normally it is 1366x768.I checked and found out in graphics adapter it is sayin basic windows display adapter. I tried to intall Nvidia 355 point something driver and it won't install. Says supported graphics hardware not detected . please help I cannot play any game! I have Gainward Nvidia Geforce GT610 with 2gb DDr3 vram. hellllp