Download and install ATI Technologies Inc. ATI Radeon HD 4550 driver

ATI Radeon HD 4550 is a Display Adapters device. This driver was developed by ATI Technologies Inc.. The hardware id of this driver is PCI/VEN_1002&DEV_9540; this string has to match your hardware.

1. ATI Technologies Inc. ATI Radeon HD 4550 driver - how to install it manually

1. Download the setup file for ATI Technologies Inc. ATI Radeon HD 4550 driver from the link below. This download link is for the driver version 8.821.0.0000 dated 2011-01-26.
2.  
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.
4.  
5. Go through 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 updated driver, as you can see it was quite smple.
8.  

ATI Technologies Inc. applied a digital signature to this driver.
File size of the driver: 38200658 bytes (36.43 MB)
This driver received an average rating of 4 stars out of 5474 votes.
This driver is fully compatible with the following versions of Windows:

• 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. ATI Radeon HD 4550 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 with DriverMax? Let's follow a few steps!

1. Open 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 available driver updates. Scroll the list down until you locate the ATI Technologies Inc. ATI Radeon HD 4550 driver. Click on Update.
4.  
5. That's all, the driver is now installed!
6.