wrong resolution in Fedora 21 beta

poma pomidorabelisima at gmail.com
Tue Nov 11 08:28:37 UTC 2014


On 11.11.2014 06:11, Frank wrote:
> 
> On 11/10/2014 10:42 PM, Samuel Sieb wrote:
>> On 11/10/2014 06:06 PM, Frank wrote:
>>> I installed 21 beta today from the live cd and ran into a couple of
>>> (minor) problems. I guess because I had booted the live cd in safe mode
>>> (trying to solve another problem) when I installed it from the desktop I
>>> ended up with 1280x1024 resolution. My monitor is capable of 1650x900
>>> but I can't figure out how to change it.
>>>
>> Look in your grub config file and remove the "nomodeset" options. 
>> Also, remove it from /etc/default/grub.
> 
> 
>      That did it !  Thanks.  Removed it from /etc/default/grub and 
> rebuilt grub.cfg.
>      But now I have lockup problems on the desktop and to some extent at 
> the CLI. I have disabled composting
> in Marco ( I'm running the Mate desktop) and nothing else I could see 
> that might affect video is on. It's real tight
> lockups...nothing works except the power button.
> 

https://www.kernel.org/doc/Documentation/EDID/HOWTO.txt
...
Adding the kernel parameter "nomodeset" helps in most cases, but causes
restrictions later on.


Remove kernel parameter "nomodeset" and paste here output of
$ lspci -knn -s $(lspci | grep VGA | awk '{print $1}')
$ xrandr




More information about the test mailing list