Realtek Z21 USB Ethernet Controller - two ways of downloading and installing the driver

Z21 USB Ethernet Controller is a Network Adapters device. This Windows driver was developed by Realtek. USB/VID_2655&PID_8153&REV_3100 is the matching hardware id of this device.

1. Realtek Z21 USB Ethernet Controller driver - how to install it manually

1. You can download from the link below the driver setup file for the Realtek Z21 USB Ethernet Controller driver. The archive contains version 10.55.0627.2022 dated 2022-06-27 of the driver.
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3. Run the driver installer file from a user account with administrative rights. If your UAC (User Access Control) is enabled please accept of the driver and run the setup with administrative rights.
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5. Follow the driver installation wizard, which will guide you; it should be quite easy to follow. The driver installation wizard will analyze your PC and will install the right driver.
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7. When the operation finishes restart your PC in order to use the updated driver. As you can see it was quite smple to install a Windows driver!
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There is no digital signature available for this driver.

This driver was installed by many users and received an average rating of 4 stars out of 82845 votes.

2. How to install Realtek Z21 USB Ethernet Controller driver using DriverMax

The advantage of using DriverMax is that it will setup the driver for you in the easiest possible way and it will keep each driver up to date, not just this one. How can you install a driver with DriverMax? Let's follow a few steps!

1. Open DriverMax and press on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your computer.
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3. Take a look at the list of detected driver updates. Scroll the list down until you locate the Realtek Z21 USB Ethernet Controller driver. Click the Update button.
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5. Finished installing the driver!
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