Cable
Are you using Displayport or HDMI cable? That particular HP model elite USB based display link supports a max individual resolution: 2560 × 1600, and I believe less resolution for two displays. What display/s resolution are you trying to use?
Just reminder as well that you can support multiple displays quite well via your thunderbolts ports directly without a USB dock or via a straight thunderbolt dock straight usbc to HDMI or Display port cables or adapters. Either direct or thunderbolt would support multiple 4K or single 5K displays.
Last edited by anthlover; 01-03-2021 at 10:36 PM.
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