I know topics about video games are off topic for this site but I believe this question still fits because I am asking about other software/drivers that happen to interact with a game.
I have an Acer TravelMate 5744 Series laptop, when the caps lock button is pressed there is an overlay on the screen to indicate if caps lock has been turned on or off. This overlay seems to cause problems with the game Morrowind and severely limits my FPS until the game is restarted. The simple solution would be to disable this overlay but I cannot find a option to do so.