[CentOS] X/Display resolution configuration

[Mike Watson]

Login as normal via the linux login screen.  The display is 1280x1024. I 
use the system config to change the display to 1600x900.  All works 
until I logout. The next time I log in, the display has reverted to 
1280X1024. It's as if, when I change the display to the higher value, 
it's not being retained---only for the duration of that session.

mw

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On 10/08/2012 04:19 PM, Marko Vojinovic wrote:
> On Monday, 8. October 2012. 15.54.19 Mike Watson wrote:
>> Here's the output of "xrandr."  My Xorg.0.log does not exist.
> That is very very weird. The log file should exist. Here is one of my machines:
>
> [root at bojan ~]# ll /var/log/Xorg.0.log
> -rw-r--r--. 1 root root 31880 Sep 21 14:18 /var/log/Xorg.0.log
> [root at bojan ~]# uname -a
> Linux bojan 2.6.32-279.5.2.el6.x86_64 #1 SMP Fri Aug 24 01:07:11 UTC 2012
> x86_64 x86_64 x86_64 GNU/Linux
>
> Note that "0" in the filename is the digit zero, not the capital letter O.
> Maybe the confusion is there.
>
>> Screen 0: minimum 320 x 200, current 1600 x 900, maximum 8192 x 8192
>> VGA1 connected 1600x900+0+0 (normal left inverted right x axis y axis)
>> 440mm x 250mm
>>      1600x900       60.0*+
>>      1280x1024      75.0     60.0
>>      1280x960       60.0
>>      1280x800       59.8
>>      1152x864       75.0
>>      1280x720       60.0
>>      1024x768       75.1     70.1     60.0
>>      832x624        74.6
>>      800x600        72.2     75.0     60.3     56.2
>>      640x480        72.8     75.0     66.7     60.0
>>      720x400        70.1
>> HDMI1 disconnected (normal left inverted right x axis y axis)
>> DP1 disconnected (normal left inverted right x axis y axis)
> This looks perfectly normal. The 1600x900 resolution is the preferred default
> and active.
>
>> My system will run the 1600x900       60.0*+ selection if I choose it at
>> login. Otherwise it reverts to a lower selection 1280x1024.
> What do you mean by "choose at login"? How exactly are you logging in and
> where are you offered this choice?
>
> HTH, :-)
> Marko
>
>
>
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