new USB-C to HDMI not working

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  • Ohad_Yousfan
    PCHF Member
    • Apr 2023
    • 4

    #1

    new USB-C to HDMI not working

    Hi,
    I have an hp laptop: AMD Ryzen 5 5500U, 16.0 GB RAM, 64-bit Windows 11 Home Version 22H2
    I bought a new Gold Touch USB-C to HDMI adapter, but it is not working. Any screen that I connect to it is not recognized.
    The screens are working and the HDMI cable is working when I plug them in directly to the HDMI port (not via the usb-c adapter).
    When I plug the adapter in, this is the device driver that is added:
    [ATTACH type=“full”]11856[/ATTACH]

    I tried updating it but it is already up-to-date.
    I tried downloading a driver from the HP website, but my OS is not there (latest is 21H2, mine is 22H2)
    I downloaded it anyway and it didn’t work

    Help would be appreciated. Thanks!
  • Rustys
    PCHF Member
    • Jul 2016
    • 7862

    #2
    Make and model of the laptop would be helpful.

    Most come with a HDMI connection why not connect directly to that.

    Comment

    • Ohad_Yousfan
      PCHF Member
      • Apr 2023
      • 4

      #3
      Thanks for the reply
      System Model: HP Laptop 15-ef2xxx
      I did not find a make in the system information.

      I already have one screen connected to the HDMI port and want to connect a second one so I bought the type-C to HDMI adapter

      Comment

      • Rustys
        PCHF Member
        • Jul 2016
        • 7862

        #4
        Is this a TV or Monitor

        Comment

        • Rustys
          PCHF Member
          • Jul 2016
          • 7862

          #5
          Did find this information

          https://www.qzonline.in/how-to-check-if-your-phone,-laptop-can-stream-video-over-its-usb-type-c-port/#:~:text=Only%20USB-C%20port%20with,C%20to%20HDMI%2FVGA%20applications .
          USB 3.1 or above versions support DP Alt Mode feature. This feature enables them to stream video signal. You need to confirm if your device’s USB Type C port is with USB 3.1 or above version before trying USB Type C to HDMI/VGA applications. To do this, check your device’s specifications or consult the manufacturer.

          Comment

          • Ohad_Yousfan
            PCHF Member
            • Apr 2023
            • 4

            #6
            I’ve tried both with a TV and a pc monitor and both work directly through the HDMI and both don’t work through the type c adapter.
            About the usb type, here are the details in device manager:
            [ATTACH type=“full”]11859[/ATTACH]
            I have 2 ‘regular’ usb ports and one type-c, not sure from the device manager which is which.

            Comment

            • Rustys
              PCHF Member
              • Jul 2016
              • 7862

              #7
              Everything that I have looked at is showing that they USB C on your system is not the correct one and is Data only.

              The adapter will not work with that system sorry.

              Comment

              • Ohad_Yousfan
                PCHF Member
                • Apr 2023
                • 4

                #8
                Originally posted by Rustys
                Everything that I have looked at is showing that they USB C on your system is not the correct one and is Data only.

                The adapter will not work with that system sorry.
                Bummer but thank you so much for the quick replies!
                One last question then - if I buy a usb-C docking station that has hdmi ports, could it work to connect a monitor to it? Or will it have the same problems as the type-c to hdmi adapter?

                Comment

                • Rustys
                  PCHF Member
                  • Jul 2016
                  • 7862

                  #9
                  You would be at the same situation you are now the USB C is not combatable.

                  Comment

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