Laptop with external monitor, screen resolution glitches

[Marius Gedminas]

On Sat, Sep 20, 2008 at 11:27:42AM +0100, tchomby wrote:
> Anyone had this problem before?
> 
> http://img140.imageshack.us/my.php?image=screenshotoy4.png
> 
> This is a screenshot taken from a laptop with a built-in 1024*768 screen,
> but it's currently using an external monitor which is at 1280*1024. It's
> running Ubuntu 8.04.

And you're using both monitors it in clone mode.

> As you can see, the screen is at resolution 1280*1024 and all is working
> fine, except that the top panel is only 1024 pixels wide.

It tries hard to fit in both monitors.

If you don't want that, disable the internal LCD with

    xrandr --output LVDS --auto

in a terminal.  This command assumes you have an Intel video card; other
drivers may use a different name for the internal LCD output.

> If I got to Monitor Resolution Settings it's set to 1280*1024 and Clone
> Screens is not checked, if I check Clone Screens then I can't choose
> anything above 1024*768.

I wouldn't trust the Monitor Resolution Settings too much.  Try xrandr
in a terminal if you want to be sure.

Marius Gedminas
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