AC7407 HP display warning appears when an unqualified USB-C cable is connected (cause and solution (applicable to: Non-OS Specific/Win10)).

  • Updated

Source:  HP® Customer Support

https://support.hp.com/au-en/document/c06606392

Issue 1: A cable warning appears when an unqualified USB-C cable is connected to the monitor.

The following warning messages may appear:

Figure 1. USB-C warning message. 

usbc_1.png

USB-C:

“Caution- An unqualified USB-C cable has been detected.

Please use a qualified HP USB-C cable supported by this monitor to ensure the best performance.”

Issue 2: A Windows 10 warning message indicates the functionality of the USB Type-C connection between the monitor and PC has limited functionality.

An USB-C to USB-A cable may be in use, or the computer does not support the DisplayPort (DP) over the USB-C connection.

The following warning messages may appear:

Figure 2. USB connection message:

usbc_2.png

“Try improving the USB connection. DisplayPort connection might not work. Try using a different cable.”

Figure 3. Display connection message.

usbc_3.png

“Display connection might be limited. Make sure the DisplayPort device you're connecting to is supported by your PC.” Select this message for more info.”

The information in this document applies to the following HP monitors:

  • HP EliteDisplay E223d 21.5-inch Docking Monitor
  • HP EliteDisplay E243d 23.8-inch Docking Monitor
  • HP EliteDisplay E273d 27-inch Docking Monitor
  • HP EliteDisplay E273m 27-inch Monitor
  • HP EliteDisplay E273q 27-inch Monitor
  • HP EliteDisplay E324q 31.5-inch QHD Monitor
  • HP EliteDisplay S14 14-inch Portable Display
  • HP EliteDisplay S240n 23.8-inch Micro Edge Monitor
  • HP EliteDisplay S240uj 23.8-inch USB-C Wireless Charging Monitor
  • HP EliteDisplay S270n 27-inch 4k Micro Edge Monitor
  • HP EliteDisplay S340c 34-inch Curved Monitor
  • HP ENVY 24 23.8-inch Display
  • HP ENVY 27 27-inch Diagonal IPS LED Backlit Monitor
  • HP ENVY 34c 34-inch Media Display
  • HP Healthcare Edition HC270cr Clinical Review Monitor
  • HP Z24n G2 24-inch Display
  • HP Z27 27-inch 4K UHD Display
  • HP Z27n G2 27-inch Display
  • HP Z32 31.5-inch 4K UHD Display
  • HP Z38c 37.5-inch Curved Display
  • HP Z43 42.5-inch 4K UHD Display

Operating Systems:

  • Issue 1: Non-OS Specific
  • Issue 2: Microsoft Windows 10

RESOLUTION:

To prevent the message from appearing, perform the following steps to disable the Non-HP Cable Warning feature, or the warning message from Windows 10.

1. Select Menu Control from the main OSD menu.

usbc_4.png   

2. Select OSD Messages.

usbc_5.png

3. Uncheck Non-HP Cable Warnings to avoid the cable warning or the Windows USB-C messages.

usbc_6.png

4. Exit the OSD menu.

Hardware platforms affected: HP ENVY 24 23.8-inch Display, HP ENVY 27 27-inch Diagonal IPS LED Backlit Monitor, HP ENVY 34c 34-inch Media Display, HP EliteDisplay E223d 21.5-inch Docking Monitor, HP EliteDisplay E243d 23.8-inch Docking Monitor, HP EliteDisplay E273d 27-inch Docking Monitor, HP EliteDisplay E273m 27-inch Monitor, HP EliteDisplay E273q 27-inch Monitor, HP EliteDisplay E324q 31.5-inch QHD Monitor, HP EliteDisplay S14 14-inch Portable Display, HP EliteDisplay S240n 23.8-inch Micro Edge Monitor, HP EliteDisplay S240uj 23.8-inch USB-C Wireless Charging Monitor, HP EliteDisplay S270n 27-inch 4k Micro Edge Monitor, HP EliteDisplay S340c 34-inch Curved Monitor, HP Healthcare Edition HC270cr Clinical Review Monitor, HP Z24n G2 24-inch Display, HP Z27 27-inch 4K UHD Display, HP Z27n G2 27-inch Display, HP Z32 31.5-inch 4K UHD Display, HP Z38c 37.5-inch Curved Display, HP Z43 42.5-inch 4K UHD Display.