ATI Technologies Inc. RADEON X850 Series - Secondary - two ways of downloading and installing the driver

1. ATI Technologies Inc. RADEON X850 Series - Secondary - install the driver manually

1. Download the driver setup file for ATI Technologies Inc. RADEON X850 Series - Secondary driver from the location below. This is the download link for the driver version 8.421.0.0000 dated 2007-09-28.
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3. Start the driver installation file from a Windows account with the highest privileges (rights). If your User Access Control Service (UAC) is running then you will have to accept of the driver and run the setup with administrative rights.
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5. Go through the driver setup wizard, which should be quite straightforward. The driver setup wizard will scan your PC for compatible devices and will install the driver.
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7. Restart your PC and enjoy the fresh driver, it is as simple as that.
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Download Driver Setup

2. How to install ATI Technologies Inc. RADEON X850 Series - Secondary driver using DriverMax

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 computer.
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3. Take a look at the list of detected driver updates. Scroll the list down until you locate the ATI Technologies Inc. RADEON X850 Series - Secondary driver. Click the Update button.
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5. Enjoy using the updated driver! :)
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Download DriverMax