External monitor

[Piero Furiesi]

Hi all,   someone can tell me how to configure my hp omnibook xe3gf w/ Debian Woody for an external monitor?   When I plug it, screen remains blank, either in console mode or in X mode.   It seems like no signal reached the external monitor; and nothing appens pressing Fn+F5 keys (that keystroke in WinXP was used to cicle through notebook display/external monitors/both) nor closing the computer lid. I also tried to connect a TV set to the tv output port with a 75 Ohm cable, getting no better result.   Many thanks,           Piero Furiesi   Following is a link to HP manuals: http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&cc=us&product=66615