Many notebooks switch to external video out when you close the cover. Have
you tried whatever key sequence it is on your notebook to switch between
external and internal? For instance, in my laptop, it's the Function button
along with the F8 button.

HTH,

Dale

"Julian" <julian@vista.com> wrote in message
news:2CD92940-3FF9-4083-A688-047AC68ED58D@microsoft.com...[color=blue]
>I installed Vista ultimate on a sony notebook.
>
> In the power options, I set 'do nothing' when i close the lid, and it
> really works except that when i open the lid again, the monitor can not
> turn on. All I can do is to press the power button to restart the note
> book. Why this could happen and what should i do? This had never happened
> when i used xp on the same notebook.[/color]