How to get 1024×600 Resolution

[egrath]

The solution in this thread is valid for your question too:

Unable to change resolution/display settings/recognize vga computer monitor

You can try to “force” the resolution on the output. Open a Terminal, then run: xrandr This will display some information about the connected displays. Remember the output (like HDMI-1). Then run: xrandr --newmode "1920x1080" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync xrandr --addmode HDMI-1 1920x1080 xrandr --output HDMI-1 --mode 1920x1080 You need to replace the values here with your actual values. To calculate those Numbers, use the Tool cvt with the desired parameter…