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. How to manually install ATI Technologies Inc. RADEON 9550 Secondary driver

1. Download the setup file for ATI Technologies Inc. RADEON 9550 Secondary driver from the location below. This is the download link for the driver version 8.593.100.0000 released on 2009-05-21.
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3. Start the driver setup file from a Windows account with the highest privileges (rights). If your User Access Control (UAC) is enabled then you will have to confirm the installation of the driver and run the setup with administrative rights.
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5. Go through the driver installation wizard, which should be pretty straightforward. The driver installation wizard will analyze your PC for compatible devices and will install the driver.
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7. Restart your computer and enjoy the new driver, as you can see it was quite smple.
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This driver is digitally signed.
Download size of the driver: 23009809 bytes (21.94 MB)
Driver rating 4.3 stars out of 69255 votes.
This driver is fully compatible with the following versions of Windows:

• 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 9550 Secondary 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. How easy can you install a driver using DriverMax? Let's take a look!

1. Start DriverMax and click on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your computer.
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3. Take a look at the list of driver updates. Search the list until you locate the ATI Technologies Inc. RADEON 9550 Secondary driver. Click the Update button.
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5. Enjoy using the updated driver! :)
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