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9,963
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✅ Solution
Tags:
18.04
multiple-monitors
Link:
🔍 See Original Answer on Ask Ubuntu ⧉ 🔗
URL:
https://askubuntu.com/q/1097707
Title:
No option to mirror Displays on 18.04 - DELL M3800
ID:
/2018/12/01/No-option-to-mirror-Displays-on-18.04-DELL-M3800
Created:
December 1, 2018
Edited: June 12, 2020
Upload:
May 5, 2024
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From this answer: How can I mirror one of the screens in a 3-monitor setup?p try using:
xrandr --output eDP-1-1 --output HDMI-1-2 --output HDMI-1-2 --same-as HDMI-1-1
In the accepted solution above, screen 3 is mirrored to screen 2 but the primary screen is not mirrored.
Another option is switching to Unity desktop: GNOME in Ubuntu 18.04 and multi monitor setup
Click the gear icon next to the Sign In button as shown below:
Note: Fresh 18.04 installs may need to install Unity Desktop. 16.04 Upgrades will likely have Unity in place by default. See: How can I make Ubuntu 18.04 / 18.10 desktop use Unity (be like Ubuntu 14.04)?