Download and install ATI Technologies Inc. RADEON X850 Series driver

RADEON X850 Series is a Display Adapters device. The Windows version of this driver was developed by ATI Technologies Inc.. The hardware id of this driver is PCI/VEN_1002&DEV_5D4D; this string has to match your hardware.

1. Manually install ATI Technologies Inc. RADEON X850 Series driver

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 8.561.0.0000 dated 2008-12-01 of the driver.
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3. Run the driver installer file from a user account with administrative rights. If your UAC (User Access Control) is enabled please accept of the driver and run the setup with administrative rights.
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5. Go through the driver installation wizard, which will guide you; it should be quite easy to follow. The driver installation wizard will analyze your computer and will install the right driver.
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7. When the operation finishes shutdown and restart your PC in order to use the updated driver. As you can see it was quite smple to install a Windows driver!
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There is no digital signature available for this driver.

Driver rating 3.4 stars out of 72307 votes.

2. Installing the ATI Technologies Inc. RADEON X850 Series driver using DriverMax: the easy way

The most important 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 can you install a driver with DriverMax? Let's follow a few steps!

1. Start DriverMax and click on the yellow button that says ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to 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 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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