Download and install National Instruments USB-9221 DSUB driver

USB-9221 DSUB is a DAQ Device device. The Windows version of this driver was developed by National Instruments. USB/VID_3923&PID_71A2 is the matching hardware id of this device.

1. Manually install National Instruments USB-9221 DSUB driver

1. You can download from the link below the driver setup file for the National Instruments USB-9221 DSUB driver. The archive contains version 23.0.0.49364 released on 2023-01-14 of the driver.
2.  
3. Run the driver installer file from a user account with the highest privileges (rights). If your User Access Control Service (UAC) is started please accept of the driver and run the setup with administrative rights.
4.  
5. Go through the driver installation wizard, which will guide you; it should be quite easy to follow. The driver installation wizard will analyze your PC and will install the right driver.
6.  
7. When the operation finishes shutdown and restart your computer in order to use the updated driver. It is as simple as that to install a Windows driver!
8.  

There is no digital signature available for this driver.
File size of the driver: 0 bytes (0 B)
This driver received an average rating of 3.9 stars out of 90466 votes.

2. The easy way: using DriverMax to install National Instruments USB-9221 DSUB driver

The 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 can you install a driver with DriverMax? Let's see!

1. Open DriverMax and click on the yellow button that says ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to 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 USB-9221 DSUB driver. Click the Update button.
4.  
5. Enjoy using the updated driver! :)
6.