# xrandr > Set the size, orientation and/or reflection of the outputs for a screen. > More information: . - Display the current state of the system (known screens, resolutions, ...): `xrandr --query` - Disable disconnected outputs and enable connected ones with default settings: `xrandr --auto` - Change the resolution and update frequency of DisplayPort 1 to 1920x1080, 60Hz: `xrandr --output {{DP1}} --mode {{1920x1080}} --rate {{60}}` - Set the resolution of HDMI2 to 1280x1024 and put it on the right of DP1: `xrandr --output {{HDMI2}} --mode {{1280x1024}} --right-of {{DP1}}` - Disable the VGA1 output: `xrandr --output {{VGA1}} --off` - Set the brightness for LVDS1 to 50%: `xrandr --output {{LVDS1}} --brightness {{0.5}}`