Fix your "Unknown Display" problem in Ubuntu/Linux Mint

If you are facing Unknown Display problem in any Ubuntu/Linux Mint. This problem can be fixed with integrated cards like Intel display cards. Probably with proprietary cards you need to install drivers for Linux Like Nvidia, ATI Cards then you can fix this problem also with proprietary cards.
Unknown display

To fix unknown display problem in Ubuntu/Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in terminal:

After installation reboot and enter following command in terminal to check display info:
That's it.
Thanks Benjamin Laisure for the tip
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