screen resolution

[Rick Stevens]

On 02/09/2012 01:38 PM, Aaron Konstam wrote:
> On Thu, 2012-02-09 at 11:04 -0800, Rick Stevens wrote:
>> On 02/09/2012 09:46 AM, Andrew Haley wrote:
>>> On 02/09/2012 05:10 PM, Patrick Dupre wrote:
>>>> I have a screen 1920x1080 which the size is not detected (the maximum
>>>> size detected is 1024x768 (graphic card: GeForce 210).
>>>> fedora16.
>>>>
>>>> How can I switch to such a 1920x1080 resolution?
>>>
>>> That's very odd.  I'm using the nouveau driver, and 2560x1600 works
>>> for me.  /var/log/Xorg.0.log should provide some clues.
>>
>> If the monitor doesn't return its capabilities via EDID reliably, the
>> system will default to 1024x768.  Try "xrandr" and see what you get.
>> Here's a sample from my system:
>>
>> [root at prophead tmp]# xrandr
>> Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
>> DVI-I-1 connected 1920x1080+0+0 (normal left inverted right x axis y
>> axis) 598mm x 336mm
>>      1920x1080      60.0*+   60.0
>>      1600x1200      60.0
>>      1680x1050      60.0
>>      1280x1024      75.0     60.0
>>      1440x900       59.9
>>      1280x960       60.0
>>      1152x864       75.0
>>      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
>> DVI-I-2 disconnected (normal left inverted right x axis y axis)
>>
>> If you don't see your 1920x1080 in there, then you can forcing it by
>> trying "xrandr --mode 1920x1080" to see if that'll bite.  If it does,
>> then you can add appropriate lines to your xorg.conf file.
> tried what yoou suggest. Although man xrandr says there iws a --mode
> option when I run xrandr --mode I get a response that the option does
> not exist. Why is that?

Ah, yes.  Try "xrandr --fb 1920x1080".  I think "--mode" was for a
previous version of xrandr.  Did just "xrandr" show the ability to do
1920x1080?  I'm trying to see if your monitor or cable just isn't
reporting the EDID info properly.
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- Rick Stevens, Systems Engineer, AllDigital    ricks at alldigital.com -
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