Problems after replacing an ati videocard by a nvidia card (F20, both 512 MB memory)

[Joachim Backes]

On 07/07/2014 01:06 PM, poma wrote:
> On 07.07.2014 12:11, Joachim Backes wrote:
>> Problem description: replacing my ati video card (DVI) by a nvidia card
>> (DVI too) generates problems: almost unreadable (flickering) screen
>> during boot after some boot progress (even without rhgb), no gdm login
>> screen.
>>
>> The primary F20 system was installed with the ati card.
>>
>> Running "dracut --force" was no solution.
>>
>> After investigating a little bit I saw that the grub boot-parameter
>> "video=1280x1024-24" was the culprit: replacing "video=1280x1024-24" by
>> "video=DVI-D:1280x1024-24".
>>
>> Both the ati card and the nvidia card have a DVI connector.
>>
>> So I can't explain this weird effect. Anybody has an explanation?
>>
>> Kind regards
>>
>> Joachim Backes
>>
> 
> Was ist die ausgabe dieses befehls
> $ ll /sys/class/drm/
> 
> BTW why are you using 'video=' directive?

It too boots well without the video= parameter :-)

Joachim Backes

-- 

Fedora release 20 (Heisenbug)
Kernel-3.15.3-200.fc20.x86_64


Joachim Backes <joachim.backes at rhrk.uni-kl.de>
http://www-user.rhrk.uni-kl.de/~backes