Dell U3818dw and Netflix/Amazon Prime Video output.

Hi, I have a 2018 13" MacBook Pro with 4 thunderbolt ports. I connect it to Dell U3818dw with a USB-C cable to the USB-C input of the display.

The display works fine for all applications. However, Netflix and Amazon Prime Video don't output video due to HDPC error.

Anyone knows a way to fix this? Appreciate your help.

Information from MacBook Pro on the display:

DELL U3818DW:

  Resolution: 3840 x 1600 (Ultra-wide 4K)

  UI Looks like: 3840 x 1600 @ 60 Hz

  Framebuffer Depth: 30-Bit Color (ARGB2101010)

  Main Display: Yes

  Mirror: Off

  Online: Yes

  Rotation: Supported

  Automatically Adjust Brightness: No

  Connection Type: DisplayPort

  Television: Yes