notebook / multiple visual displays - activation and control
Jesse Barnes
jbarnes at virtuousgeek.org
Mon Mar 31 17:35:12 UTC 2008
On Monday, March 31, 2008 9:35 am Tom London wrote:
> xrandr probing sometimes appears to "not work right", at least for me.
>
> I have a Thinkpad X60 with intel 945 graphics, 1024x768 LCD. When
> booting with just the builtin monitor, all works fine.
>
> When booting with 2 different 19" monitors and with the laptop screen
> "shut", X/gdm boots up in a funny hybrid mode, where the interface is
> actually in 1280x1024 (max supported by interface and monitors), but X
> thinks its in 1920x1080 or 1920x1024. I have to manually enter
> "xrandr --size 1280x1024" each login to get system configured right.
I think that's X failing to setup a reasonable default. ajax fixed that
recently though, iirc.
> Here is output of xrandr with non-functioning modes, but after running
> "xrandr --size 1280x1024".
>
> [tbl at localhost ~]$ xrandr
> Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1920 x 1920
> VGA connected 1280x1024+0+0 (normal left inverted right x axis y axis)
> 376mm x 301mm
> 1280x1024 60.0 + 75.0* 60.0 60.0
> 1920x1080 59.9
> 1680x1050 59.9
> 1600x1024 60.2
> 1400x1050 60.0
> 1440x900 59.9
> 1280x960 60.0
> 1360x768 59.8 60.0
> 1280x800 75.0 70.0 60.0
> 1152x864 75.0 75.0 70.0 60.0
> 1280x768 75.0 70.0 60.0
> 1280x720 75.0 70.0 60.0
> 1152x768 54.8
> 1024x768 75.1 75.0 70.1 60.0
> 832x624 74.6
> 800x600 72.2 75.0 60.3 56.2
> 640x480 75.0 72.8 72.8 75.0 60.0 59.9
> 720x400 70.1
> LVDS connected (normal left inverted right x axis y axis)
> 1024x768 50.0 + 60.0 40.0
> 800x600 60.3
> 640x480 60.0 59.9
> [tbl at localhost ~]$
This looks like it's detecting your monitor's modes properly though, are you
just having problems with your startup configuration if the monitor is
attached?
Jesse
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