Download and install ATI Technologies Inc. ATI RADEON X850 PRO Secondary driver

ATI RADEON X850 PRO Secondary is a Display Adapters hardware device. The Windows version of this driver was developed by ATI Technologies Inc.. PCI/VEN_1002&DEV_4B6B is the matching hardware id of this device.

1. How to manually install ATI Technologies Inc. ATI RADEON X850 PRO Secondary driver

1. You can download from the link below the driver setup file for the ATI Technologies Inc. ATI RADEON X850 PRO Secondary driver. The archive contains version 8.453.0.0000 released on 2008-01-22 of the driver.
2.  
3. Start the driver installer file from a user account with the highest privileges (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. Go through the driver setup wizard, which will guide you; it should be pretty easy to follow. The driver setup wizard will scan your PC and will install the right driver.
6.  
7. When the operation finishes shutdown and restart your PC in order to use the updated driver. It is as simple as that to install a Windows driver!
8.  

This driver is digitally signed by ATI Technologies Inc..
Download size of the driver: 22322844 bytes (21.29 MB)
This driver was installed by many users and received an average rating of 4.1 stars out of 3199 votes.
This driver is fully compatible with the following versions of Windows:

• This driver works on Windows 2000 64 bits
• This driver works on Windows Server 2003 64 bits
• This driver works on Windows XP 64 bits
• This driver works on Windows Vista 64 bits
• This driver works on Windows 7 64 bits
• This driver works on Windows 8 64 bits
• This driver works on Windows 8.1 64 bits
• This driver works on Windows 10 64 bits
• This driver works on Windows 11 64 bits

2. The easy way: using DriverMax to install ATI Technologies Inc. ATI RADEON X850 PRO Secondary driver

The 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 can you install a driver using DriverMax? Let's follow a few steps!

1. Open DriverMax and click on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your PC.
2.  
3. Take a look at the list of driver updates. Search the list until you find the ATI Technologies Inc. ATI RADEON X850 PRO Secondary driver. Click the Update button.
4.  
5. Finished installing the driver!
6.