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HDMI to Display Port on LG ultrawide monitor

System: MS Windows 10 Pro 64-bit 10.0.19043
Battery or AC: AC
Model: UX581GV308
Frequency of occurrence: all the time
Reset OS:
Screenshot or video:
Detailed description:I can use my HDMI to DHMI no issues. However, I would like to use the higher refresh rate through the display port so I purchased an HDMI to Displayport cable and it does not work. The monitor also has a USB-C port and that also does not work. Can I not use these with this Zenbook?

Community Legend II
Hi there,
Can you specify the monitor model?
Or share the tech spec of it with us.
Thank you.

The monitor is this:
LG 34WP65G-B 34-Inch 21:9 UltraWide Full HD (2560 x 1080) IPS Display with VESA DisplayHDR 400 and AMD FreeSync

Community Legend II
Hi there,
The Type C port of UX581 is supporting Thunderbolt 3 signal.
And the maximum output is 3840*2160,60Hz.
So you would like to get 75Hz with the Type C port?
How many Hz did you see when you connect the device and monitor by Type C to Type C?
Thank you.