Comment 1 for bug 1768428

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Karambir Singh Nain (karambir) wrote :

This happens even with one monitor on Thinkpad T470.

I have setup my external monitor to be only display. If I simply disconnect the monitor, the laptop screen goes blank(black). If my monitor loses power supply first(if I switch it off) and then unplug it, the laptop screen picks up being main display.