Sager np2090 eternal monitor problem

I tried to hook up an external 22 inch viewsonic monitor to my np2090 and when i do i dont get a picture on the external monitor at all. it detects it in my nvidia control panel but nothing seems to work. i played around with a couple different drivers but they all dont give me a picture. it doesnt work with clone, duel, or single. i troubleshooted by trying to hook up an older NEC lcd monitor and that doesnt work either. i know these nothing wrong with the monitors because they work prefectly fine for my desktop. any ideas?

 

(this is assuming your using Windows Vista)

plug in monitor, right click on the desktop, click personalize, then display settings, then click on the drop down menu and you should see a second "generic PnP" monitor, then check in "extend the desktop onto this monitor", hit apply then OK and your monitor should be extended to the external monitor

 

i already tried that. I even installed driers for my monitor so it shows up as viewsonic vx2255wm in my nvidia control panel and device manager and also the display settings.

 

There are several places in software to change settings. Try them all. Besides what icecube mentioned, right click on the battery systray icon and select "Windows Mobility Center". Play with the external display area. Additionally, try the NVidia Control Panel.

If none of those work, try Fn-F3.