Download and install ATI Technologies Inc. RADEON 9550 Secondary driver

RADEON 9550 Secondary 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_4173; this string has to match your hardware.

1. ATI Technologies Inc. RADEON 9550 Secondary driver - how to install it manually

1. You can download from the link below the driver setup file for the ATI Technologies Inc. RADEON 9550 Secondary driver. The archive contains version 8.191.0.0 released on 2005-10-28 of the driver.
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3. Run the driver installer file from a user account with the highest privileges (rights). If your UAC (User Access Control) is running please accept of the driver and run the setup with administrative rights.
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5. Go through the driver setup wizard, which will guide you; it should be pretty easy to follow. The driver setup wizard will analyze 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 digitally signed by ATI Technologies Inc..
Size of this driver: 14532220 bytes (13.86 MB)
This driver received an average rating of 4 stars out of 87458 votes.
This driver was released 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. How to use DriverMax to install ATI Technologies Inc. RADEON 9550 Secondary driver

The 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 using DriverMax? Let's follow a few steps!

1. Start DriverMax and click on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and 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 9550 Secondary driver. Click the Update button.
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5. That's all, the driver is now installed!
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