Can not set external monitor to left of internal monitor on ubuntu 17.04

[Colin Law]

On 10 July 2017 at 14:19, Caner Aydın <caneraydinbey at gmail.com> wrote:
> No, i did not save it with gedit.
>
> And never edited that file.
>
> -rw-r--r--  1 caner caner 1842 Jul 10 14:47 monitors.xml

OK, not that then.  When you rearrange them using the Displays
settings app and click apply it should show you them in the new
position and give you the option of keeping the settings or reverting.
Does it look ok initially? If so when does the screen go black?

Are you using nVidia? If so then do you have to use the nVidia
settings app? I don't use nVidia so don't know the details.

Just having used sudo with gedit (even if you didn't save) may, I
think, have changed the permissions on some hidden files that may give
you problems, though I can't remember exactly what the issue is.  I
don't know whether that could be related to this issue though.

By the way, the convention is not to top post on this list.

Colin

>
>
>
> On Mon, Jul 10, 2017 at 4:07 PM, Colin Law <clanlaw at gmail.com> wrote:
>>
>> On 10 July 2017 at 13:49, Caner Aydın <caneraydinbey at gmail.com> wrote:
>> >  - When i connect external, and when i go to display settings, the
>> >    external is in right of internal.
>> >
>> >    I change in this settings by dragging, then apply to set to the left
>> >    of the internal.
>> >
>> >    But it makes black external and i have to plug out and plugin again
>> >    to be able to use external and it is again on the right of internal.
>> >
>> >    this is xml of monitors
>> >
>> >    sudo gedit ~/.config/monitors.xml
>>
>> Have you previously used sudo to edit that file? If so then it will be
>> owned by root which may be an issue. Set it back to yourself using
>> sudo chown  $USER:$USER ~/.config/monitors.xml
>>
>> Also using sudo with gedit (you should never do that, use gksudo with
>> graphical applications) will have made various other files owned by
>> root so you might be better to restore all your files ownership with
>>
>> sudo chown  -R $USER:$USER ~
>>
>> Colin
>>
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