Re: Still unable to get external monitor wotking on Debian 6 - was Re: Unable to install nVidia driver on Debian 6 LTS - was - Re: How to boot without GUI
On 19/06/2015, Petter Adsen <petter@synth.no> wrote:
> On Fri, 19 Jun 2015 12:15:59 +0800
> Bret Busby <bret.busby@gmail.com> wrote:
>> I note also, that I used synaptic to remove all the nvidia stuff, from
>> the Debian 7 installation, and I removed the bumblebee stuff from that
>> installation, and reinstalled bumblebee on that installation, and the
>> Debian 7 installation also still does not detect the external monitor.
>
> How do you determine that it doesn't detect the monitor? You can read
> through /var/log/Xorg.0.log, but it's easier to just run "xrandr" (when
> both screens are connected) and see what it detects. If "xrandr" is able
> to detect both outputs it should just be a matter of configuration, if
> not then that would suggest a problem with the driver.
>
> At least Wheezy is a lot more up to date than Squeeze, with newer
> kernel and X. I'd say your odds of getting the second screen going
> there would be a lot better than with Squeeze.
>
> Since it's working on your Ubuntu installation, can you determine which
> version of the driver that has installed? The packages are usually
> called "nvidia-xxx", then do "apt-cache policy nvidia-xxx" on the one
> that is installed to see the exact version. Do the same for Wheezy.
>
"
-Ubuntu-12-04LTS:~$ apt-cache policy nvidia-xxx
N: Unable to locate package nvidia-xxx
"
>From Ubuntu 12.04, as I previously mentioned having thusly added the
nvidia 331 drivers (Ubuntu 12.04 successfully detected and provided
use of the external monitor, both before and after the installation of
the nvidia drivers)
>From System Settings -> Additional Drivers;
"
Proprietary drivers are being used...
NVIDIA accelerated graphics driver (version 331)
NVIDIA accelerated graphics driver (post-release updates) (version 331-updates)
"
> Copies of Xorg.0.log (on both Wheezy and Ubuntu) would also be helpful,
> just to see what your system detects, and how they differ.
>
"
-Ubuntu-12-04LTS:~$ cat Xorg.0.log
cat: Xorg.0.log: No such file or directory
"
--
Bret Busby
Armadale
West Australia
..............
"So once you do know what the question actually is,
you'll know what the answer means."
- Deep Thought,
Chapter 28 of Book 1 of
"The Hitchhiker's Guide to the Galaxy:
A Trilogy In Four Parts",
written by Douglas Adams,
published by Pan Books, 1992
....................................................
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