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Display Resolution issues
04-15-2018, 02:50 PM (This post was last modified: 04-15-2018 03:06 PM by tcichowicz.)
Post: #1
Display Resolution issues
I've just installed Neptune5Plasma on a 'play' with platform:
GigaByte motherboard, GA-C1037UN x64bit 4gig RAM
Intel VGA Display adapter onBoard.

with both an HDMI - Sony 32" Television Monitor & Dell 24" VGA

by default the system boots and works fine - on both monitors in the 1024X768 60hz mode.

I have successfully gotten it to change mode to 1920x1080 60hz by creating and running a .sh script that I saved to my desktop.
Code:
#!/bin/sh
xrandr --newmode "1920x1080_60.00"  172.80  1920 2040 2248 2576  1080 1081 1084 1118  -HSync +Vsync
xrandr --addmode VGA1 1920x1080_60.00
xrandr --output VGA1 --mode 1920x1080_60.00
exit

I've tried to automate this process so I don't have to run this everytime I boot, without success. I tried creating an .xprofile - added the code, then going into autostart and scheduling to run my desktop .sh on boot, and or before session. None of these attempts have worked. I was even kinda locked out, when the last method used, resulted in a BLACK screen - without a way to remove my autostart modifications. I had to go in using restore option during boot - and delete the file in /.config/plasma-workspace/env.

I was then able to get back to a working desktop - to square 1.

Once I run my script I notice that the Display settings GUI then contains the mode I added 1920x1080. Even though I go in change back and forth - and apply - upon reboot that selection is gone & the highest resolution again is 1024x768 the default.


How can I make this added mode stick?Huh

EDIT: additional info:

Code:
tomc@neptune64:~$ sudo lshw -c video
[sudo] password for tomc:
  *-display                
       description: VGA compatible controller
       product: 3rd Gen Core processor Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 09
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:27 memory:f7800000-f7bfffff memory:e0000000-efffffff ioport:f000(size=64) memory:c0000-dffff
tomc@neptune64:~$
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04-15-2018, 04:14 PM
Post: #2
RE: Display Resolution issues
You can add the modeline to the xorg.conf file for it to permanently stick.
See this wiki entry with the modeline stuff specifically https://kodi.wiki/view/Configuring_resol..._xorg.conf
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