ProStar 9191/D9C D901C Driver Download (Official)

How to Update 9191/D9C D901C Device Drivers

Step 1 - Download Your Driver

To get the 9191/D9C D901C driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter ProStar 9191/D9C D901C into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the ProStar Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

Step 2 - Install Your Driver

To install your new driver on Windows:

1. Right-click the Start button.

2. Click "Device Manager">

3. Find your device in the list.

4. Right-click the device and select "Update driver"

5. Follow the steps on screen.

Restart your computer when done.

This keeps your computer working at its best.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.