Download and install National Instruments NI 9421 DSUB driver

NI 9421 DSUB is a DAQ Device hardware device. This Windows driver was developed by National Instruments. {5e9419d9-6dde-45bd-81e3-03eb116c8ad5}/VID_1093&PID_7161&CDAQ_Bus_Powered is the matching hardware id of this device.

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

1. Download the setup file for National Instruments NI 9421 DSUB driver from the location below. This download link is for the driver version 23.3.0.49318 dated 2023-04-02.
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3. Start the driver setup file from a Windows account with the highest privileges (rights). If your User Access Control Service (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 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 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 3.8 stars out of 19783 votes.

2. Installing the National Instruments NI 9421 DSUB driver using DriverMax: the easy way

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 can you install a driver with DriverMax? Let's follow a few steps!

1. Open 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 detected driver updates. Search the list until you find the National Instruments NI 9421 DSUB driver. Click on Update.
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5. That's it, you installed your first driver!
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