BenQ Corporation Qualcomm Diagnostics Interface 31A9 how to download and install the driver

Qualcomm Diagnostics Interface 31A9 is a Ports hardware device. The developer of this driver was BenQ Corporation. The hardware id of this driver is USB/VID_05C6&PID_31A9&MI_01; this string has to match your hardware.

1. BenQ Corporation Qualcomm Diagnostics Interface 31A9 driver - how to install it manually

1. Download the setup file for BenQ Corporation Qualcomm Diagnostics Interface 31A9 driver from the link below. This is the download link for the driver version 1.0.0.0 released on 2006-06-16.
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3. Run the driver setup file from a Windows account with the highest privileges (rights). If your UAC (User Access Control) is started then you will have to confirm the installation of the driver and run the setup with administrative rights.
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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.
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7. Shutdown and restart your PC and enjoy the fresh driver, it is as simple as that.
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This driver is digitally signed.
Download size of the driver: 88643 bytes (86.57 KB)
This driver was installed by many users and received an average rating of 4.1 stars out of 24417 votes.
This driver is fully compatible with the following versions of Windows:

• This driver works on Windows 2000 32 bits
• This driver works on Windows Server 2003 32 bits
• This driver works on Windows XP 32 bits
• This driver works on Windows Vista 32 bits
• This driver works on Windows 7 32 bits
• This driver works on Windows 8 32 bits
• This driver works on Windows 8.1 32 bits
• This driver works on Windows 10 32 bits
• This driver works on Windows 11 32 bits

2. How to install BenQ Corporation Qualcomm Diagnostics Interface 31A9 driver using DriverMax

The advantage of using DriverMax is that it will setup the driver for you in just a few seconds and it will keep each driver up to date, not just this one. How easy can you install a driver with DriverMax? Let's see!

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 PC.
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3. Take a look at the list of detected driver updates. Scroll the list down until you locate the BenQ Corporation Qualcomm Diagnostics Interface 31A9 driver. Click on Update.
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5. Enjoy using the updated driver! :)
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