>(1) If you work with the lid closed (and an external screen), it's best to leave the lid open - there's a lot of heat underneath the keyboard
>[ I suspect I've had a motherboard down because of that ]
>
>(2) Download speedfan (http://www.almico.com/sfdownload.php)
>[ dell made me download this last year - I've only used it twice]
>
>- you wll be able to see whether it's the cpu or the gpu
>- you may be able to adjust the speed of the fans

Thanks