timbo24
Posts: 4
Joined: Thu Jun 26, 2014 10:22 pm

LXDE Black Bar

Thu Jun 26, 2014 10:28 pm

I've got Arch setup with LXDE but I can't seem to have it fill the monitor. Right now about 1/8 of the right side is all black with some bright pixels flickering on the bottom edge. Raspian running LXDE works fine. I've got it connected using an hdmi to dvi to a 1680x1050 monitor. The monitor preferences show the resolution correct. I've been messing with the boot/config.txt file, turned off overscan, and then turned it on and changed the settings no matter what that section of the screen is always black. Any help would be greatly appreciated.

sdjf
Posts: 1395
Joined: Fri Mar 16, 2012 5:20 am
Location: California
Contact: Website

Re: LXDE Black Bar

Fri Jun 27, 2014 10:38 am

You might need to also declare the screen size in the lxde startup configuration.

To find out where that is, try running the following, it might show you where lxde is started from and you could add the geometry there.

ps aux | grep lxde

IF that does not help, poke around ~/.config and files in /etc/ directory, somewhere there is a command saying to autostart lxde and you could add geometery to when it gets called.

maybe ~/.xinitrc

to add geometry to the autostart, could try something like "lxde -geometry 1680x1050" and adjust that if necessary. geometry takes offset arguments as well, to see how offset works, could try 1680x1050+nn+nn where you put +nn or -nn of 0 or higher, for offsetting.
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timbo24
Posts: 4
Joined: Thu Jun 26, 2014 10:22 pm

Re: LXDE Black Bar

Fri Jun 27, 2014 9:26 pm

Thanks for the quick reply! After posting that I went back into /boot/config.txt and uncommented 'hdmi_force_hot_plug=1' and it did the trick.

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