Hello Nicola,
Thank you for taking the time to report this issue.
However, the problem you are experiencing cannot come from our technology and we have no way of influencing that behaviour with our code.
DisplayLink is a semiconductor company and we provide one chip in the Dell D6000.
The Dell D6000 uses two different display technologies when 3 displays are connected:
- DisplayLink over standard USB for the 2 DisplayPort outputs,
- DisplayPort over USB-C Alternate code for the HDMI output. That's why HDMI is limited to 4Kp30 when in 3 display configuration when the DisplayLink chip does 4Kp60. That's also why the 3rd output is only available over the USB-C connector.
Your report is very complete and I recommend you contact Dell with it. The only change I would recommend is that you include the version numbers for the Dell firmware utility you used as it will indicate to them what version the other chips are using. I use Dock_D6000_FW_Updater_A02_73F77 with mine.
Kind regards,
Alban
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