[CentOS] XORG and LCD Projector

[Rob Kampen]

Andrew 'Dewa' B. Osmond wrote:
> dear guys,
> 
> I have a problem between my CentOS 5.5 (on Axioo notebook) and LCD 
> Projector. When I connect my notebook to LCD Projector, it can detect my 
> notebook.
> But when I press Fn + F7 to activate dual monitor between my notebook 
> and LCD Projector it goes to blank screen. FYI, the LCD Projector is NEC 
> but I don't know the series.
> I've tried to change display using dual head monitor but it has no 
> effects. Do I need some driver??
> 
> and this is my xorg configuration :
> Section "Device"
>         Identifier  "Videocard0"
>         Driver      "openchrome"
> EndSection
> 
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Videocard0"
>         DefaultDepth     24
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     24
>                 Modes    "1280x800" "1024x768" "800x600" "640x480"
>         EndSubSection
> EndSection
> 
> Hope you guys can help me. Thanks.
> 
My experience is this is due to the internal screen having a resolution 
that the external projector cannot handle.
Solution:
change your internal LCD screen resolution to one that the projector 
understands.
HTH
> 
> Andrew.
> 
> 
> ------------------------------------------------------------------------
> 
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