Toshiba L50-A013 (laptop) OS-Windows 8.1 preview version GPU 1, Nvidia GeForce GT 740M GPU 2, Intel HD Graphics 4000 Memory, 8gb DDR3 HDD, 750gb (stock)

All components are stock except for RAM.

Any help would be greatly appreciated. This laptop is around 3 months old and usually runs games smoothly on the high level configurations. My problems started about 3 weeks ago when playing co-op with a friend. We inadvertently (and rather foolishly) had the cooling fans of our laptops pointed at each other. Launching a game that evening came up with an error message saying that it couldn't locate the NVIDIA graphics card. After leaving it to sit for 24 hours it launched games (Skyrim, Borderlands 2, DayZ) perfectly for about a week before starting the "display driver has stopped working" error. I am running the latest version of my card drivers (327.23, installed on 28/09/2013)