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

ASUS A9550 Series 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. ASUS A9550 Series Secondary - install the driver manually

1. Download the driver setup file for ATI Technologies Inc. ASUS A9550 Series Secondary driver from the link below. This download link is for the driver version 8.561.9.0000 released on 2009-02-03.
2.  
3. Start the driver setup file from a Windows account with the highest privileges (rights). If your User Access Control Service (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 scan your PC for compatible devices and will install the driver.
6.  
7. Shutdown and restart your computer and enjoy the new driver, as you can see it was quite smple.
8.  

This driver is digitally signed by ATI Technologies Inc..
File size of the driver: 29121103 bytes (27.77 MB)
This driver received an average rating of 4.1 stars out of 70654 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. The easy way: using DriverMax to install ATI Technologies Inc. ASUS A9550 Series Secondary driver

The 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 can you install a driver with DriverMax? Let's take a look!

1. Open DriverMax and push 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 detected driver updates. Scroll the list down until you find the ATI Technologies Inc. ASUS A9550 Series Secondary driver. Click on Update.
4.  
5. Finished installing the driver!
6.