National Instruments USB-9421 DSUB how to download and install the driver

USB-9421 DSUB is a DAQ Device device. This driver was developed by National Instruments. USB/VID_3923&PID_712E is the matching hardware id of this device.

1. Install National Instruments USB-9421 DSUB driver manually

1. Download the driver setup file for National Instruments USB-9421 DSUB driver from the location below. This download link is for the driver version 22.5.0.49248 dated 2022-07-07.
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3. Run the driver setup file from a Windows account with the highest privileges (rights). If your User Access Control (UAC) is running then you will have to confirm the installation 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 fresh driver, it is as simple as that.
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This driver was not digitally signed.

This driver was installed by many users and received an average rating of 4 stars out of 12816 votes.

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 install the driver for you in just a few seconds and it will keep each driver up to date, not just this one. How can you install a driver using DriverMax? Let's take a look!

1. Start DriverMax and press on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your PC.
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3. Take a look at the list of detected driver updates. Scroll the list down until you find the National Instruments USB-9421 DSUB driver. Click on Update.
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5. That's all, the driver is now installed!
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