Download and install National Instruments NI 9421 driver

NI 9421 is a DAQ Device device. This Windows driver was developed by National Instruments. {5e9419d9-6dde-45bd-81e3-03eb116c8ad5}/VID_1093&PID_7160&CDAQ is the matching hardware id of this device.

1. National Instruments NI 9421 - install the driver manually

1. Download the setup file for National Instruments NI 9421 driver from the link below. This is the download link for the driver version 23.3.0.49318 released on 2023-04-02.
2.  
3. Run the driver setup file from a Windows account with the highest privileges (rights). If your UAC (User Access Control) is running then you will have to confirm the installation of the driver and run the setup with administrative rights.
4.  
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.
6.  
7. Shutdown and restart your PC and enjoy the fresh driver, it is as simple as that.
8.  

This driver is not digitally signed.

This driver received an average rating of 3.3 stars out of 19891 votes.

2. How to install National Instruments NI 9421 driver using DriverMax

The most important advantage of using DriverMax is that it will install 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 with DriverMax? Let's follow a few steps!

1. Start 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 computer.
2.  
3. Take a look at the list of available driver updates. Search the list until you find the National Instruments NI 9421 driver. Click the Update button.
4.  
5. Finished installing the driver!
6.