1. Venkatesh Padmanabhan's Avatar
    Hi all,

    I am having a strange issue using my Surface Pro 2017 with LG 4K Monitor using Mini-dp to Display port cable provided by the monitor. Once every 3-4 minutes I have a black screen for 2 seconds, then the screen is back to normal.

    I tried to download the Intel GPU driver, but I cannot install, as it said Microsoft has installed a custom version of the driver.

    I am currently using

    Windows 10 Pro
    Version - 1909
    OS Build - 18363.592
    I am currently running at 3840x2160 with custom scaling (135%)

    If I try to update the Display driver, I get information that the driver is already up to date.

    My Device Specification

    Intel Core i7 7660U CPU
    16 GB RAM
    Intel Iris Plus Graphics 640
    Any leads to solve the issue would be great!
    Ikkari likes this.
    01-21-2020 03:49 PM
  2. Ikkari's Avatar
    Hi, I have the same Problems with a benQ 4k Monitor. I think the Problem is the Intel Iris 640 Driver because this doesn’t happen when I connect a i5 Version of the Surface Pro 5 which has a Intel HD 620 Graphics Card.

    A Workaround which helped me to reduce the blackscreens almost (to once per hour) is to change the refresh rate of the monitor from 59 Hz to 50 Hz on the i7 Version of the Surface, the i5 version works just fine also with 59 Hz!
    05-06-2020 03:13 AM
  3. Ikkari's Avatar
    I added a topic on the Microsoft Feedback-Hub, maybe you could add a comment and give the topic more weight.

    https://aka.ms/AA8c2ub
    05-06-2020 04:07 AM

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