Driver for National Instruments USB-9421 DSUB - downloading and installing it

USB-9421 DSUB is a DAQ Device hardware device. This Windows driver was developed by National Instruments. The hardware id of this driver is USB/VID_3923&PID_712E&REV_0100; this string has to match your hardware.

1. National Instruments USB-9421 DSUB driver - how to install it manually

1. Download the setup file for National Instruments USB-9421 DSUB driver from the location below. This is the download link for the driver version 22.5.0.49248 dated 2022-07-07.
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3. Run the driver installation file from a Windows account with the highest privileges (rights). If your User Access Control (UAC) is enabled then you will have to confirm the installation of the driver and run the setup with administrative rights.
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5. Follow the driver installation wizard, which should be quite easy to follow. 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 updated driver, it is as simple as that.
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This driver is not digitally signed.

This driver was rated with an average of 3.3 stars by 12825 users.

2. The easy way: using DriverMax to install National Instruments USB-9421 DSUB driver

The most important 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 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 scan and analyze each driver on your PC.
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3. Take a look at the list of driver updates. Scroll the list down until you locate the National Instruments USB-9421 DSUB driver. Click the Update button.
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5. Finished installing the driver!
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