Download and install ATI Technologies Inc. RADEON X850 Series driver

RADEON X850 Series is a Display Adapters hardware device. This Windows driver was developed by ATI Technologies Inc.. The hardware id of this driver is PCI/VEN_1002&DEV_4B49; this string has to match your hardware.

1. ATI Technologies Inc. RADEON X850 Series driver - how to install it manually

1. You can download from the link below the driver installer file for the ATI Technologies Inc. RADEON X850 Series driver. The archive contains version 8.421.0.0000 dated 2007-09-28 of the driver.
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3. Start the driver installer file from a user account with the highest privileges (rights). If your User Access Control (UAC) is started please confirm the installation of the driver and run the setup with administrative rights.
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5. Follow the driver installation wizard, which will guide you; it should be pretty easy to follow. The driver installation wizard will scan your PC and will install the right driver.
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7. When the operation finishes restart your PC in order to use the updated driver. It is as simple as that to install a Windows driver!
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This driver is not digitally signed.

This driver was installed by many users and received an average rating of 3.6 stars out of 83866 votes.

2. How to use DriverMax to install ATI Technologies Inc. RADEON X850 Series driver

The most important 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 with DriverMax? Let's follow a few steps!

1. Start DriverMax and push on the yellow button that says ~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 find the ATI Technologies Inc. RADEON X850 Series driver. Click the Update button.
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5. That's it, you installed your first driver!
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