Since it is "new", have you considered contacting Dell tech support?
http://support.dell.com/support/topi...=19&l=en&s=dhs

"raven" wrote:

> Working on a new laptop, Dell Latitude D610 with Windows XP professional. The
> screen will go blank automatically (thus far whilst working on the internet).
> The only way I can seem to ge it back is to reboot. It alsmost seems like a
> hybrenation mode but I have rechecked those settings and they are fine.
> I am no computer wiz and could use some feedback.
> Appreciate all your help