Ok so my girlfriends model D470W Sager laptop started shutting off on here with no warning today. I took it apart, cleaned it out, knew it always ran hot so I also took the heatsink off the CPU, cleaned it off and put some Arctic Silver on it. The rebooting problem is still sporadic, I'm checking a few things as far as that's concerned but first I thought Id try to get it to run cooler so I could rule that out as a problem. Even with cleaning it out and the Arctic Silver it still runs @ 54C and hits 59C before the fan kicks on. All this while while idle and with the laptop sitting flat on a desk. I turned it on its side totally exposing the bottom and the temp dropped to 49C, then spiked at 59C before the fan kicked on again. We never use the thing on the go since the battery life sucks so is there a way I can make the fan run constant or kick on sooner?