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
    2020-04-28T19:35:59+00:00

    I'll try as well tomorrow or later in the week. The Intel version 25.20.100.7101 (8/5/2019) I've loaded last week has not really impacted the issues on my device.

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  2. Anonymous
    2020-04-28T19:15:48+00:00

    You can now update your drivers with the Intel driver pack without waiting for Microsoft. I'm testing this now.

    https://downloadcenter.intel.com/download/29530/Intel-Graphics-Windows-10-DCH-Drivers?product=80939

    Unlocked drivers: We heard how much our users want the freedom to upgrade their systems to our regularly released generic graphics drivers and enable our latest game enhancements, feature updates, and fixes. As of this release, Intel Graphics DCH drivers are now unlocked to upgrade freely between Computer Manufacturer (OEM) drivers and the Intel generic graphics drivers on Download Center. Simply use the exe and enjoy the update on your 6^th^ Generation Intel Processor platform or higher, and don’t worry about your OEM customizations--they remain intact with each upgrade and the OEMs can maintain customizations separately via Microsoft* Windows Update. Intel Drivers and Support Assistant drivers will also be unlocked starting April 28^th^, 2020.^^See the Release Notes section *^4^for important information about this update.

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  3. Anonymous
    2020-04-28T18:16:33+00:00

    Inconsistent results is right. I though I could boot while docked to avoid issues. This hasn't been working as it comes up with the laptop screen off along with the display port. My only saving grace has been using the USB VGA to reboot after powering up while keeping the laptop docked.

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  4. Anonymous
    2020-04-28T17:37:49+00:00

    I've had such inconsistent results. Sometimes powering on and all is well, sometimes power off/on, plugging in usbc/unplugging, and constantly changing display modes for 10 minutes to have just blank or flickering screens on both, that didn't resolve until I rebooted and unplugged my external display.

    Also I did end up manually installing the latest Intel display driver manually and it seems the problem still exists. 

    I am using an Anker USBC to HDMI out, and connecting my monitor via HDMI (no display port).

    FYI if anyone is interested, I am looking into filing a Class action on this against Microsoft. Out $1500 and I can hardly get by using this for work (which relies 100% on multiple monitors).

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  5. Anonymous
    2020-04-23T19:58:40+00:00

    After the driver downgrade I had the issue on next power cycle. I spent thirty minutes after powering up docking, undocking, rebooting and power cycling after my display flaked out one or two minutes after login.

    Previously when booting the laptop plugged into the dock I would get a black screen on the laptop display and external display. Since adding the USB 2.0 display adapter and leaving it as my primary display, I am able to log in. Display Manager shows the laptop display, but no resolution or other info/options.

    I've since been able to boot while docked and doing so this morning I did not have any display issues. I'm going to let it go for a while as I follow the same routine for starting up the laptop and see if consistent behavior on my part is reciprocated by my Surface.

    Thanks for the reply.

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