Hi. I had my laptop for about a year and a half and I never had a issue with it. Recently, I bought battlefield 3 and updated the drivers for it to work. When that was done, I decided that it would be a good idea to clean out all the dust for everything to run nice and smooth... So I sprayed the laptop with the appropriate spray, plugged it back in and started playing. Ever since then, every time I start my laptop, it freezes after about 15 minutes of use and I need to shut it down manually. I tried to install the old drivers but with no luck... it still freezes... I have a friend that cleaned his laptop about 2 weeks ago and he had the same problem... does anyone know whats wrong and have a solution!?!? Thx!