X problems on Dell Latitude w/i915 graphics (and Fn-key questions)

[jim lawrence]

On Thu, 24 Feb 2005 15:39:34 +0100, Toralf Lund <toralf at procaptura.com> wrote:
> We're having problems with the X server when running Fedora or Red Hat
> Linux (i.e. we've tried both FC3 & older stuff) on a Dell Latitude 610
> notebook with an Intel 915 graphics chip. Firstly, no driver but "vesa"
> appears to work at all, but we don't mind that too much. However, we
> can't get a correct display with that either. Symptoms:
> 
>     * A black screen is displayed by default.
>     * When using an external monitor instead of the built-in LCD screen,
>       everything works fine.
>     * If starting up with external display, then switching to the
>       build-in one via and Fn-key combination (Fn+F8 in this case), the
>       built-in one also works.
>     * The same is true after starting with the internal one (and getting
>       a black screen), then switching to external and back to internal.
>     * In the above two cases, display is once again lost if we switch to
>       a different VT via Ctrl+Alt+F-keys, then back to the X server.
> 
> Any ideas how to get around this? I mean, how to get the internal
> display to work directly?
> 
> Related question: What exactly happens when the Fn-combination is
> pressed? I mean, I've sort of seen this operation as akin to pulling out
> the cable to the monitor, then inserting another one, but to get the
> behaviour described above, there must also be some kind of software
> signalling involved, mustn't there?
> 
> - Toralf
> 
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The Fcn + key  is most likly being controlled by the BIOS  in some way
same or form.
take a look at   /etc/X11/xorg,conf  ( which is written bu
system-config-display)

look at your monitors section of the above file 


Another thought, have you tried to set them as a generic LCD display?


-- 

Jim Lawrence
Registered Linux User: #376813
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