Surface Laptop 3 (Intel) issue with DP1.2 monitor after installing January 2020 updates

Anonymous
2020-02-01T12:22:04+00:00

Just a heads up and if someone from Microsoft sees this maybe talk to the Surface team:

After installing the January 2020 driver and firmware updates for Microsoft Surface Laptop 3 (Intel), my machine detected my external monitor (Dell U2715H) as 640x480.

The connection is made from SL3 -> Lenovo USB-C Dock Gen 2 -> Displayport to Mini Displayport on the Dell U2715h.

The problem went away after I disabled DP1.2 on the Dell Monitor and the screen was detected with its native resolution of 2560x1440 again.

I think this should be added to the known issues on this article if possible: https://support.microsoft.com/en-us/help/4526150/surface-laptop-3-update-history

Surface | Surface Laptop | Display and screen

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  1. Anonymous
    2020-02-01T17:05:34+00:00

    Yes I am having the same issue.

    My SL3 Intel -> USB-C to Displayport on my Dell Monitor is no longer able to display anything nor daisychain via MST capabilities to the 2nd monitor. Once I turn the 2nd monitor off, the primary monitor is at least able to display.

    This was working up until the Jan 2020 firmware/driver updates.

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  2. Anonymous
    2020-02-03T02:07:50+00:00

    same here

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  3. Anonymous
    2020-02-04T01:37:16+00:00

    I was able to find an old msi package for the surface drivers that included 25.20.100.7101 version. After completely deleting Intel(R) Iris(R) Plus Graphics from device manager and clicking uninstall drivers.. rebooting, then installing the 25.20.100.7101, my external monitors are now working as expected..

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  4. Anonymous
    2020-02-05T03:30:40+00:00

    I am having the same issue.  I thought it was my laptop, so I replaced it.  Did all the updates and afterwards, the external monitor did not work.

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  5. Anonymous
    2020-02-06T02:09:18+00:00

    Here is the December 2019 bundle for Surface Pro 7. It should include the drivers

    https://download.microsoft.com/download/0/8/b/08b0f0ba-1571-41c0-9b8a-9af8a43681ae/SurfacePro7\_Win10\_18362\_19.103.34215.0.msi

    Here is the November 2019 Surface Laptop 3 Intel: 

    https://download.microsoft.com/download/3/f/4/3f4f5dff-b6a9-4006-87aa-142a8e6f77cb/SurfaceLaptop3\_Win10\_18362\_19.112.27190.0.msi

    Just extract all the files with something like: msiexec /a c:\testfile.msi /qb TARGETDIR=c:\temp\test

    and then install the graphic drivers manually.

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