National Instruments NI 9421 DSUB - two ways of downloading and installing the driver

NI 9421 DSUB is a DAQ Device hardware device. This driver was developed by National Instruments. In order to make sure you are downloading the exact right driver the hardware id is {5e9419d9-6dde-45bd-81e3-03eb116c8ad5}/VID_1093&PID_7161&SBRIO.

1. Manually install National Instruments NI 9421 DSUB driver

1. You can download from the link below the driver setup file for the National Instruments NI 9421 DSUB driver. The archive contains version 23.3.0.49318 dated 2023-04-02 of the driver.
2.  
3. Run the driver installer file from a user account with administrative rights. If your User Access Control Service (UAC) is started please confirm the installation of the driver and run the setup with administrative rights.
4.  
5. Follow the driver installation wizard, which will guide you; it should be quite easy to follow. The driver installation wizard will scan your computer and will install the right driver.
6.  
7. When the operation finishes restart your PC in order to use the updated driver. It is as simple as that to install a Windows driver!
8.  

This driver was not digitally signed.

This driver was installed by many users and received an average rating of 3.4 stars out of 19804 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 install 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 with DriverMax? Let's take a look!

1. Open DriverMax and push on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your computer.
2.  
3. Take a look at the list of driver updates. Scroll the list down until you find the National Instruments NI 9421 DSUB driver. Click on Update.
4.  
5. Finished installing the driver!
6.