Comment 3 for bug 1772811

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Yuan-Chen Cheng (ycheng-twn) wrote : Re: Can not select Video mode precisely by Video-out hotkey

more information:

(Fn+F8) send key code (WindowsKey + P).

There are four display mode: (you can see it as you plug an external display, and press WindowsKey + P)
- Mirror
- Joint Displays
- External Only
- Built-in Only

When we press WindowsKey + P:
- On Xenial, we switch to Next mode
- On Bionic, we switch to the first mode