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 - install the driver manually

1. Download the setup file for ATI Technologies Inc. RADEON X850 Series driver from the link below. This is the download link for the driver version 8.451.0.0000 dated 2007-12-20.
2.  
3. Start the driver setup file from a Windows account with the highest privileges (rights). If your User Access Control (UAC) is started then you will have to accept of the driver and run the setup with administrative rights.
4.  
5. Follow the driver setup wizard, which should be quite easy to follow. The driver setup wizard will analyze your PC for compatible devices and will install the driver.
6.  
7. Shutdown and restart your PC and enjoy the fresh driver, as you can see it was quite smple.
8.  

ATI Technologies Inc. applied a digital signature to this driver.
Size of this driver: 22356141 bytes (21.32 MB)
This driver received an average rating of 4.9 stars out of 84627 votes.
This driver will work for 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. 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 install the driver for you in the easiest possible way and it will keep each driver up to date, not just this one. How easy can you install a driver using DriverMax? Let's follow a few steps!

1. Open DriverMax and push 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. Scroll the list down until you locate the ATI Technologies Inc. RADEON X850 Series driver. Click on Update.
4.  
5. Enjoy using the updated driver! :)
6.