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How to choose the main monitor in KDE SC 4.5.1?

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cheeselee
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Hello!

With this setting[1], KDE always places the menu bar on VGA1 and considers VGA1 as Display 1, and the whole display turns ugly when using double monitors[2]. But I want to choose LVDS1 as the main monitor and where to place the menu bar. How can I get it?

With the same setting, KDE SC 4.4 (Fedora 13) always uses LVDS1 as main monitor and works all like what I expect, so I was not bothered.


[1] http://cheeselee.fedorapeople.org/display-settings.png
[2] http://cheeselee.fedorapeople.org/Fedor ... etbook.png


Robin
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TheBlackCat
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Please tell us your graphics card, graphics driver, and if using a binary driver the driver version.


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einar
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I don't know if the display settings can do that. But as a workaround, you can do

Code: Select all
xrandr --output LVDS1 --primary


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cheeselee
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einar wrote:
Code: Select all
xrandr --output LVDS1 --primary

This command works! Thanks!

I hope the Display setting can include this function.

I have Intel 945GME and xorg-x11-drv-intel-2.12.0-6.fc14.i686 .
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bcooksley
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Display Settings, at least on trunk, has a selector for the primary monitor.


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einar
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I believe someone has committed a bunch of changes in trunk that relate to what you're seeing, compared to what's in branch.


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naviger
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cheeselee wrote:
einar wrote:
Code: Select all
xrandr --output LVDS1 --primary

This command works! Thanks!


Should that work the same way in KDE 4.3.5?

It doesn't work for me. I am using Mandriva Linux 2010.0 with KDE 4.3.5 on a laptop computer. Video chip is Radeon Mobility 7500. Using the following xrandr command I can get the external monitor going simultaneously with the laptop LCD display.
Code: Select all
xrandr --output LVDS --mode 1400x1050 --rotate normal --pos 1400x0 --output VGA-0 --mode 1400x1050 --rotate normal --left-of LVDS --pos 0x0


The KDE taskbar remains on the laptop display (LVDS). I then run the following command:
Code: Select all
xrandr --output VGA-0 --primary

which is supposed to cause the taskbar to move to VGA-0, however nothing happens, the KDE taskbar remains on the LVDS display.


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