1. Hikari_PL's Avatar
    Hi guys,

    I have encountered super awkward situation with my Surface Pro / Surface Dock. As I’m stuck, any assistance will be much appreciated.

    Situation:
    • I have Surface 3 Pro (running 1809 Windows 10) and Surface 4 Pro (running 1709 as is my corporate device)
    • At home I have also Surface Dock
    • Screen in Samsung C32HG70, connected to Dock via HDMI cable (DisplayPort connection I use to connect my desktop PC)
    • This setup has been working perfectly for months


    Problem:
    • Last week this setup stopped working, i.e. Surface 3 Pro, when attached to the Dock via HDMI cannot display anything on the screen
    • Surface 3 Pro detects the screen, but cannot display (duplicate, extent, only 2nd screen – nothing works; in fact it cannot even turn it on)
    • Usually if I try to set my screen to duplicate via Settings app it will crash (see here)
    • Did reset of Windows 10 to brand new settings and it did not help; neither resetting display cache
    • When screen is connected via DisplayPort it works fine, problem happens only with HDMI connection (which I normally use)
    • When screen is connected directly to Surface 3 Pro via HDMI it will also work
    • Updating Dock to latest firmware does not help
    • Interestingly, Surface 4 Pro works perfectly fine (both on DP and HDMI)


    Whatever happened it happened 2-3 weeks ago.

    Do you have the same problem? Any ideas how to solve it?
    11-18-2018 05:16 PM
  2. Hikari_PL's Avatar
    Small update: when I connected HDMI cable directly to Surface 3 Pro then I have the same problem as if I was doing it via Dock.

    Tried to delete registry keys that store Display config, but it does not help :/
    11-19-2018 02:39 AM

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