30 hz refresh not available for 4K HDMI on 2nd external monitor

  • Thread starter Thread starter kptnfmrs
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kptnfmrs

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I am trying to get a second external monitor to work at 4K on my Lenovo Yoga. Using 2 LG Ultrafine 27" monitors. The first one was put in service around Nov 30 of 2021 and worked fine. I was using W10 at the time. I got the second monitor in February and was still on W10. Both monitors worked at 4K along with the 14" Laptop screen until a few days ago. I bit the bullet and took the W11 dive a few weeks ago. The 4K monitors all worked fine. Recently, W11 did an update and I lost the capability of having both monitors run at 4K. One of the monitors is using a USBC to Display Port adapter and wor

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