Re: Laptop + VGA + X

[Hudson Flavio Meneses Lacerda <hfmlacerda@yahoo.com.br>]

Hi, François.

Thank you for the input. Here is my other attempt, with the correct 
monitor identifiers:

hudson@musix:~$ xrandr --output LVDS-1 --auto --output VGA-1 --auto
hudson@musix:~$
hudson@musix:~$ xrandr
Screen 0: minimum 320 x 200, current 1280 x 800, maximum 2047 x 2047
LVDS-1 connected 1280x800+0+0 (normal left inverted right x axis y axis) 
303mm x 190mm
   1280x800      59.91*+
VGA-1 disconnected (normal left inverted right x axis y axis)


As you see, the extern monitor remains considered disconnected. (It 
behaves like in standby state, as it takes a little time to display the 
screen when I switch to the framebuffer terminal.)


Hudson



francois@avalenn.eu wrote:
> On Wed, Dec 30, 2015 at 10:05:22AM -0200, Hudson Flavio Meneses Lacerda wrote:
> > Joel Roth wrote:
> > > Hudson Flavio Meneses Lacerda wrote:
>
> > > > How to enable Xorg to use a VGA monitor plugged to a laptop?
> > >
> > > I use a command like this:
> > >
> > > xrandr --output LVDS1 --auto --output VGA1 --auto
>
> > I just tried your suggestion, but got this message:
> >
> > hudson@musix:tmp$ xrandr --output LVDS1 --auto --output VGA1 --auto
> > warning: output LVDS1 not found; ignoring
> > warning: output VGA1 not found; ignoring
> > hudson@musix:tmp$
>
> Your monitor names are probably a little bit different.
> Typing "xrandr" with no option will allow you to list the monitors
> actually seen by X. For example I have eDP1, VGA1 and HDMI1 as
> possible names for my current configuration :
>
> $ xrandr
> Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
> eDP1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
>     1366x768      60.03*+  40.01
>     1360x768      59.80    59.96
> VGA1 disconnected (normal left inverted right x axis y axis)
> HDMI1 disconnected (normal left inverted right x axis y axis)
>
>
> francois


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