Dual Screen not working after windows boots up

Hi Hardware Experts,

I have a issue with a compaq presario 1600 notebook (it not mine and likes about 30 minutes drive away from me). The owner of the laptop wants to use it for presenting using the laptop screen for her to view and the external screen (15 pin) output to be connected to a projector. I've never had any trouble with IBM T series notebooks (press function F7 to toggle which displays are used... the screen toggle for the Compaq is Function F3) . but this may be a windows problem.

I connected another screen to the 15 pin output and it seemed to work as the laptop booted up.... the notebook screen displayed and the other screen displayed as the bios loaded, then when the microsoft logo appeared the external screen stopped displaying and I couldn't toggle to it.

Any Ideas? I need to be able to fix this up in the next few days....

Thanks
Graeme



snafflebitAsked:
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nobusCommented:

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ddrdanCommented:
Your toggle key for display mode is not Fn-F3 it's Fn-F4???

Check to see if the default has enable "extended desktop" in the display mode settings. If it's on turn it off.
 Start > Control Panel > Display > Advanced. You want desktop cloning.
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