** Changed in: linux
       Status: Unknown => New

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https://bugs.launchpad.net/bugs/1997005

Title:
  Cannot output displays by connecting dual monitor via HP Docking

Status in Linux:
  New
Status in OEM Priority Project:
  New
Status in linux package in Ubuntu:
  New

Bug description:
  [Summary]
  Connect USB-C to HDMI monitor to USB-C display port and 4K DP monitor to DP 
port on docking, the external monitors cannot display.

  Note:
  1. Single 4K UHD montior on DP port can output successfully on docking.
  2. Single FHD monitor with USB-C to HDMI adapter on USB-C displayport can 
output successfully on docking.

  [Steps to reproduce]
  1. Poweroff the system and plug docking station to the system
  2. Boot up system from docking power button
  3. Connect external display with USB-C to HDMI adapter to the USB-C display 
port on docking
  4. Connect 4K UHD monitor with DP cable to DP port on docking station
  5. Check the displays.

  [Expected result]
  Can output display successfully when the system connects to the dual monitor.

  [Actual result]
  Cannot output external displays by connecting USB-C to HDMI on USB-C display 
port and DP monitor to DP port on docking station.

  [Failure rate]
  1/1

  [Additional information]
  SKU: Alder SKU2(T1000), Alder SKU12(RTX4000)
  system-manufacturer: HP
  system-product-name: HP ZBook Fury 17 G7 Mobile Workstation
  bios-version: S92 Ver. 01.06.00
  CPU: Intel(R) Core(TM) i5-10400H CPU @ 2.60GHz (8x)
  GPU: 00:02.0 VGA compatible controller [0300]: Intel Corporation Device 
[8086:9bc4] (rev 05)
  01:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device 
[10de:1fb9] (rev a1)
  kernel-version: 5.10.0-1034-oem

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