Last reply by 01-07-2019 Unsolved
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2 Bronze

Why the latest UHD630 graphics driver has an issue?


I have a DELL XPS 15 9570 i7-8750H which has a UHD630 graphics card. I connect my XPS to a 4K monitor LG 27UK650 via HDMI 2.0 and the XPS can output 4K@60Hz with any version of drivers.
Since I update my UHD630 graphics card driver to 24.xxxx or 25.xxxx, I found that if I turned on the HDR&WCG option in Win10 1803 settings, my 4K monitor LG 27UK650 seems can't properly receive 4K HDR signal, and the screen just goes black.
However, the driver at 2018/2/28 doesn't have this issue.
Is that a bug or something? My colleague whose Vostro 15-7580 i7-8750H with 24.xxxxx driver seems doesn't have this issue.


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Thank you for letting us know. I will contact the drivers team to let them know about this issue.

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