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Thread: ASUS zenbook won't recognize laptop display when boots with external plugged in.

  1. #1
    Join Date
    Apr 2008
    Beans
    30

    ASUS zenbook won't recognize laptop display when boots with external plugged in.

    I've got 12.10 running here, when I boot the laptop without any external attached, and then plug in my monitor to the HDMI port, the desktop will split between the two monitors. However, if I boot with the external plugged in already, ubuntu doesn't recognize the laptop display at all (and it's blacked out). Going to the displays section of system settings and clicking 'detect displays' doesn't do anything new, and only my Dell 23'' is listed as a connected display. How can I debug / solve?

  2. #2
    Join Date
    Apr 2008
    Beans
    30

    Re: ASUS zenbook won't recognize laptop display when boots with external plugged in.

    I'll add also, that if I boot with the laptop plugged in with the external, and then want to go mobile with my laptop, I have to restart. Pulling out the HDMI doesn't help the laptop to recognize its internal screen.

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