ATI Technologies Inc. RADEON 9550 Secondary driver download and installation

RADEON 9550 Secondary is a Display Adapters hardware device. The Windows version of this driver was developed by ATI Technologies Inc.. The hardware id of this driver is PCI/VEN_1002&DEV_4173; this string has to match your hardware.

1. ATI Technologies Inc. RADEON 9550 Secondary - install the driver manually

1. Download the driver setup file for ATI Technologies Inc. RADEON 9550 Secondary driver from the location below. This download link is for the driver version 8.473.0.0000 released on 2008-03-09.
2.  
3. Start the driver installation file from a Windows account with administrative rights. If your UAC (User Access Control) is enabled 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 straightforward. The driver setup wizard will scan your PC for compatible devices and will install the driver.
6.  
7. Shutdown and restart your computer and enjoy the new driver, it is as simple as that.
8.  

This driver is digitally signed by the manufacturer.
File size of the driver: 22899107 bytes (21.84 MB)
This driver received an average rating of 4.8 stars out of 6803 votes.
This driver is 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. Using DriverMax to install ATI Technologies Inc. RADEON 9550 Secondary driver

The 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 using DriverMax? Let's see!

1. Start DriverMax and press on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your computer.
2.  
3. Take a look at the list of driver updates. Scroll the list down until you locate the ATI Technologies Inc. RADEON 9550 Secondary driver. Click on Update.
4.  
5. Finished installing the driver!
6.