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There is a known bug for Intel Baytrail graphic, also for a nVidia GeForce GT 630M [10de:0de9] graphic card. If you're using the nVidia graphic card, the solution is easy, just install the proprietary driver from the "Additional Drivers" Another workaround is to edit your "/etc/default/grub" file, change GRUB_CMDLINE_LINUX="" into: ...


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What you're trying to do is impossible. A "DisplayPort Splitter" doesn't add any functionality to the existing "DisplayPort": it just does what it's designed to do: transmit electrical signals from one wire to two wires. (note: electric, not electronic) So you cannot get multiple workspaces to display on one monitor and have half on one and the other ...


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Method 1: Disable Unknown Display Click the Unknown Display Box and below it's on, turn it Off and Apply, Every time you Install Ubuntu for the first Time the Cause is Unknown Display. Method 2: Changing Display Driver to X.Org If you encountering Problems but the First Method doesn't Work, Try this Method Open System Settings once opened you will see ...


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The command should be: #!/bin/bash export DISPLAY=$(echo $DISPLAY) Here you need to use the command substitution functionality i.e. $(command) of bash. EDIT: Now after seeing your full script i am getting the whole picture. First create a file in your home directory for example /home/abc/display_check having the following line: echo $DISPLAY Now ...



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