Download and install DisplayLink Corp. DisplayLink Display Adapter 421A driver

DisplayLink Display Adapter 421A is a USB Display Adapters hardware device. This Windows driver was developed by DisplayLink Corp.. The hardware id of this driver is USB/VID_17e9&PID_421A&MI_00; this string has to match your hardware.

1. DisplayLink Corp. DisplayLink Display Adapter 421A driver - how to install it manually

1. Download the driver setup file for DisplayLink Corp. DisplayLink Display Adapter 421A driver from the link below. This is the download link for the driver version 7.6.56275.0 dated 2014-07-09.
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3. Start the driver installation file from a Windows account with the highest privileges (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 installation wizard, which should be pretty straightforward. The driver installation wizard will analyze 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, as you can see it was quite smple.
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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 3.9 stars out of 77065 votes.

2. How to install DisplayLink Corp. DisplayLink Display Adapter 421A driver using DriverMax

The most important advantage of using DriverMax is that it will setup the driver for you in just a few seconds and it will keep each driver up to date, not just this one. How easy can you install a driver using DriverMax? Let's see!

1. Open DriverMax and click on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your computer.
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3. Take a look at the list of detected driver updates. Search the list until you locate the DisplayLink Corp. DisplayLink Display Adapter 421A driver. Click the Update button.
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5. That's it, you installed your first driver!
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