small_server_thingies/framework_screen_pains.md

How to get the home office monitor working

• Run the following commands

# Check output and note what's the name of the display
xrandr --listmonitors
DISPLAY_NAME="write_the_name_here"

# Then run the following and copy what comes in the modeline after "Modeline"
cvt 1920 1080 59.80

# First generate a "modeline" by using cvt
# Syntax is: cvt width height refreshrate

cvt 1920 1080 59.80

#this gives you:

# 1920x1080 59.79 Hz (CVT) hsync: 66.96 kHz; pclk: 172.50 MHz
Modeline "1920x1080_59.80"  172.50  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync

# Now tell this to xrandr:

xrandr --newmode "1920x1080_59.80"  172.50  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync

# Then you can now add it to the table of possible resolutions of an output of your choice:

xrandr --addmode ${DISPLAY_NAME} 1920x1080_59.80

#The changes are lost after reboot, to set up the resolution persistently, create the file ~/.xprofile with the content:

#!/bin/sh
xrandr --newmode "1920x1080_59.80"  172.50  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
xrandr --addmode ${DISPLAY_NAME} 1920x1080_59.80