Dell U3224KB UltraSharp 32 6K Monitor - Simplified Service Manual - Page 23

6. Trouble Shooting Instructions Problem What you experience Possible solutions The LAN port is OS setting or • Ensure that the latest BIOS and drivers for your not functioning cable connection computer are installed on your computer. issue • Ensure that the RealTek Gigabit Ethernet Controller is installed in the Windows Device Manager. • If your BIOS Setup has a LAN/GBE Enabled/ Disabled option, make sure it is set to Enabled. • Ensure that the Ethernet cable is connected securely on the monitor and the hub/router/ rewall. • Check the status LED of the Ethernet cable to con rm connectivity. Re-connect both ends of the Ethernet cable if the LED is not lit. • First power o the Computer and unplug the Type-C cable and power cord of the monitor. Then, power on the computer, plug in the monitor power cord and Type-C cable. Monitor buttons (Mute / Volume down / Volume up / Hookswitch) not working with Microsoft Teams® App Monitor Use Microsoft Teams® App to perform the below buttons (Mute tasks: / Volume down • Call Icon to accept / hang up call / Volume up / • Volume down / Volume up adjustment Hookswitch) • Mic mute / unmute not working • Video on / o on Microsoft Teams® App with Chrome OS / Ubuntu Video recording Video recording • Windows 7 not support not working App not working • Switch to Windows 10 / Windows 11 with Win 7 When press either Volume down / Volume up or Mute button, LED does not blink When press Connect USB-A to USB-C cable either Volume down / Volume up or Mute button, LED not blink when connected to HDMI or DP only