Detection Error Reported When Dell Adapter USB-C to Ethernet (PXE Boot) Is Connected

Dell USB Type-C to Ethernet dongle not connected error

The Windows operating system may report the following error messaging when you connect your Dell Adapter USB-C to Ethernet (PXE Boot).

Task Sequencing Error
Failed to find a valid network adapter.
For more information, contact your system administrator or
helpdesk operator.

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This has been identified as a driver issue.

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Updating to the latest Realtek USB GBE Ethernet Controller driver on the computer resolves the issue. To download and install the latest network driver, follow the steps that are mentioned below.

1. Browse to https://www.dell.com/support/drivers.
2. Identify your Dell computer.
   1. Click Browse all products and select your Dell dongle from the catalog.
   2. Select Electronics and Accessories.
   3. Go to PC and Tablet Accessories.
   4. Select Dell Adapter USB-C to Ethernet.
3. Select the Operating System that is installed on the Dell computer.
4. Under Category, select Network.
5. Locate the latest Realtek USB GBE Ethernet Controller Driver driver. (Version 2.45.2021.825 A21 or newer.)
6. Click Download and save the file to your computer.
7. Open File Explorer and browse to the location where the downloaded file is saved.
8. Double-click the downloaded network driver setup file and follow the on-screen instructions to complete the installation process.

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