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Article Number: 000195195

S2722DC and S2722QC Monitor Downstream USB Ports are Nonfunctional

Summary: This article describes an issue where the downstream USB ports on S2722DC and S2722QC monitors do not recognize connected devices.

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Article Content

Symptoms

S2722DC and S2722QC monitor users may report that their downstream USB ports do not function as expected. Ports 7 and 9 are the downstream ports.

S2722DC S2722QC port locations
Figure 1. S2722DC S2722QC port locations

Cause

Ports 7 and 9 require a USB Type-C cable (included) be connected to the USB Type-C upstream port (Port 5) on the monitor from your computer. This enables communication on ports 7 and 9 between your connected USB devices and your computer.

 Port  Description  USB
 5 USB Type-C upstream port Connect the USB Type-C cable that came with your monitor to the computer.
 7 USB Type-A downstream port Connect your USB device.
 9 USB Type-A downstream port with Power Charging Connect your USB device or charge your device.

Resolution

Updating to firmware version M3B102 or later resolves the issue. To download and install the firmware, reference How to Download and Install Dell Drivers.

Note: Before executing the firmware update, ensure your computer is connected with monitor through USB-C cable or USB-A to USB-C cable.

Workaround:

  1. Connect USB Type C port 5 of monitor to USB-C port of computer (USB C to C cable is in box). If the user's computer does not have USB-C port, connect USB Type C port 5 of monitor to USB-A port of computer (USB C to A cable is purchased separately).
  2. Change the USB-C charging setting to Off in Off mode. Start by reinitializing the ports or unplug the power cable and plug it back in to restart the monitor or unplug the USB-C cable and plug it back in to reinitialize the port.
  3. To set USB-C charging to Off in Off mode, enter the OSD menu and select Personalize, USB-C Charging, Off in Off Mode.

    OSD Menu screen
    Figure 2. OSD Menu screen

Article Properties

Affected Product

Dell S2722QC, Dell S2722DC

Last Published Date

23 Jan 2024

Version

7

Article Type

Solution

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