Hello,my fans are not run as fast as they use to and my laptop is locking up more. when you turn on the laptop the fans use to come on full blast bu now it comes on only half i think. i have a toshiba a75 satdilite. how do i find out what the problem is and fix. i would not mind if it run full allthe time but the fans wear out faster that way.plaese give me any advise you have.