Driver for ATI Technologies Inc. ASUS A9550 Series Secondary - downloading and installing it

ASUS A9550 Series Secondary is a Display Adapters device. This Windows driver was developed by ATI Technologies Inc.. The hardware id of this driver is PCI/VEN_1002&DEV_4173.

1. Manually install ATI Technologies Inc. ASUS A9550 Series Secondary driver

1. Download the setup file for ATI Technologies Inc. ASUS A9550 Series Secondary driver from the location below. This download link is for the driver version 8.561.9.0000 dated 2009-02-03.
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3. Run the driver installation file from a Windows account with the highest privileges (rights). If your UAC (User Access Control) is running 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 setup wizard, which should be quite straightforward. The driver setup wizard will analyze your PC for compatible devices and will install the driver.
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7. Shutdown and restart your PC and enjoy the new driver, it is as simple as that.
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ATI Technologies Inc. applied a digital signature to this driver.
Download size of the driver: 29121103 bytes (27.77 MB)
This driver was installed by many users and received an average rating of 5 stars out of 70762 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. ASUS A9550 Series Secondary driver using DriverMax: the easy way

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. How can you install a driver with DriverMax? Let's see!

1. Open DriverMax and press 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 available driver updates. Scroll the list down until you find the ATI Technologies Inc. ASUS A9550 Series Secondary driver. Click on Update.
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5. Enjoy using the updated driver! :)
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