Driver for DisplayLink Corp. DisplayLink Display Adapter 421C - downloading and installing it

DisplayLink Display Adapter 421C 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_421C&MI_00; this string has to match your hardware.

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

1. Download the setup file for DisplayLink Corp. DisplayLink Display Adapter 421C driver from the link below. This download link is for the driver version 7.7.57957.0 dated 2014-09-26.
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3. Run the driver setup 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 installation wizard, which should be quite easy to follow. The driver installation wizard will scan your PC for compatible devices and will install the driver.
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7. Restart your PC and enjoy the new driver, as you can see it was quite smple.
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This driver was not digitally signed.

This driver was installed by many users and received an average rating of 3 stars out of 35067 votes.

2. Using DriverMax to install DisplayLink Corp. DisplayLink Display Adapter 421C driver

The 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. How easy can you install a driver using DriverMax? Let's follow a few steps!

1. Start DriverMax and press on the yellow button that says ~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 driver updates. Scroll the list down until you find the DisplayLink Corp. DisplayLink Display Adapter 421C driver. Click the Update button.
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5. Finished installing the driver!
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