laptop vga port not displaying

Gad · 06-08-2013, 02:56 PM

Good evening,

I have the following laptop http://us.acer.com/ac/en/US/content/model/LU.SGA0D.066

When i had Windows installed the external VGA port worked fine with monitors and projectors. Im currently running Ubuntu 12.04 and cannot seem to get the VGA working with a projector however it works fine when plugged into my monitor.

Any suggestions would be great!

Thanks
Marios

Sigg3.net · 06-09-2013, 03:19 AM

Use xrandr to set which output to use!
E.g. https://wiki.archlinux.org/index.php/Xrandr
If you regularly switch between known setups (like a home office using both screens, laptop screen on the right), xrandr bound to a keyboard combination is golden

Gad · 06-09-2013, 06:14 AM

Quote:

Originally Posted by Sigg3.net

Use xrandr to set which output to use!
E.g. https://wiki.archlinux.org/index.php/Xrandr
If you regularly switch between known setups (like a home office using both screens, laptop screen on the right), xrandr bound to a keyboard combination is golden

Thank you for your valuable input Sigg3.net

I will certainly look into it!

Regards
Marios

shane25119 · 06-09-2013, 08:38 AM

Often times you need to enable the display, either through your control center or via some keyboard shortcut (for me it is fn+f8. That button combination is laptop specific.

Gad · 06-10-2013, 04:50 AM

Hi shane25119,

Thanks for your valuable input. These combinations i have already tried. I have been reading into Sigg3.net post about Xrandr which ill be quite keen to try.

Sigg3.net · 06-10-2013, 05:36 AM

Fn+F8 (in Dell computers at least) does the exact same as Xrandr

Gad · 06-10-2013, 05:41 AM

Hi Guys,

when i hit the keyboard combination it does not work.

When i type the Xrandr command i get and error about the gamma or resolution or something similar. I will try and post the output of Xrandr as soon as humanly possible.

Could it be that my laptop resolution is not adequate for the projector? 1024x600

Sigg3.net · 06-10-2013, 05:43 AM

Could depend on the graphics card/driver capabilities. But you should get a lower-res output anyway.
Just running
$ xrandr
without options should provide some output we can look at. Also please include a
$ dmesg | grep VGA

Gad · 06-10-2013, 05:57 AM

Quote:

Originally Posted by Sigg3.net

Could depend on the graphics card/driver capabilities. But you should get a lower-res output anyway.
Just running
$ xrandr
without options should provide some output we can look at. Also please include a
$ dmesg | grep VGA

Thank you i will post the info as soon as possible.

Gad · 06-10-2013, 07:28 AM

Hi Guys,

Here is the info:

Code:

mariose@TINY-LT:~$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1024 x 600, current 1024 x 600, maximum 1024 x 600
default connected 1024x600+0+0 0mm x 0mm
   1024x600        0.0* 
mariose@TINY-LT:~$

Code:

mariose@TINY-LT:~$ lspci | grep -i vga
00:02.0 VGA compatible controller: Intel Corporation Atom Processor D2xxx/N2xxx Integrated Graphics Controller (rev 09)
mariose@TINY-LT:~$

Code:

mariose@TINY-LT:~$ dmesg | grep VGA
[   19.236089] fb0: VESA VGA frame buffer device
mariose@TINY-LT:~$

Best Regards
Marios