Shulou(Shulou.com)06/03 Report--

1. View current screen information

Xrandr

two。 Set up the home screen

Xrandr-output VGA1-auto-primary

Xrandr-output DP2-auto-primary

The specific value of the boldface part, you need to see what is shown in the first step

3. Set up the expansion screen

Xrandr-output DP2-right-of VGA1-auto

The specific value of the boldface part, you need to see what is shown in the first step

4. Set up the copy screen

Xrandr-output DP2-same-as VGA1-auto

Xrandr-output DP2-same-as VGA1-mode 1920x1080

The specific value of the boldface part, you need to see what is shown in the first step

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