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
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