I've got Intel HD Graphics 3000 and Nvidia GeForce GT 555M. I've only just noticed (rather late) that my games aren't using it; so i look into it and i see changing global and application settings sort it out. I did that and yet it still doesn't use the Nvidia card.
If it's any relevance my VGA key doesn't work and is always orange - optimus mode
If it's any relevance my VGA key doesn't work and is always orange - optimus mode