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Realtek Semiconductor Corp. D-Link DWA-121 Wireless N 150 USB Adapter rev.B how to download and install the driver


D-Link DWA-121 Wireless N 150 USB Adapter rev.B is a Network Adapters hardware device. This driver was developed by Realtek Semiconductor Corp.. In order to make sure you are downloading the exact right driver the hardware id is USB/VID_2001&PID_331B.

1. Realtek Semiconductor Corp. D-Link DWA-121 Wireless N 150 USB Adapter rev.B - install the driver manually


  1. Download the driver setup file for Realtek Semiconductor Corp. D-Link DWA-121 Wireless N 150 USB Adapter rev.B driver from the location below. This is the download link for the driver version 1030.40.0128.2019 dated 2020-04-30.
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  3. Run the driver installation file from a Windows account with administrative rights. If your UAC (User Access Control) is started then you will have to accept of the driver and run the setup with administrative rights.
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  5. Go through the driver setup wizard, which should be pretty straightforward. The driver setup wizard will scan your PC for compatible devices and will install the driver.
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  7. Shutdown and restart your computer and enjoy the new driver, it is as simple as that.
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This driver is digitally signed.
Download size of the driver: 3625667 bytes (3.46 MB)
This driver was installed by many users and received an average rating of 4 stars out of 64029 votes.
This driver is compatible with the following versions of Windows:

  • This driver works on Windows 7 32 bits
  • This driver works on Windows 8 32 bits
  • This driver works on Windows 8.1 32 bits
  • This driver works on Windows 10 32 bits
  • This driver works on Windows 11 32 bits



2. The easy way: using DriverMax to install Realtek Semiconductor Corp. D-Link DWA-121 Wireless N 150 USB Adapter rev.B driver


The advantage of using DriverMax is that it will install the driver for you in just a few seconds and it will keep each driver up to date. How can you install a driver with DriverMax? Let's take a look!

  1. Start DriverMax and push on the yellow button that says ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your PC.
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  3. Take a look at the list of available driver updates. Search the list until you find the Realtek Semiconductor Corp. D-Link DWA-121 Wireless N 150 USB Adapter rev.B driver. Click on Update.
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  5. Enjoy using the updated driver! :)
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Drivers