Download and install Adaptec Adaptec AIC-789x PCI SCSI Controller driver

1. Install Adaptec Adaptec AIC-789x PCI SCSI Controller driver manually

1. You can download from the link below the driver setup file for the Adaptec Adaptec AIC-789x PCI SCSI Controller driver. The archive contains version 5.5.5.0 released on 2006-06-21 of the driver.
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3. Run the driver installer file from a user account with the highest privileges (rights). If your User Access Control (UAC) is running please 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 will guide you; it should be pretty easy to follow. The driver setup wizard will scan your computer 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. As you can see it was quite smple to install a Windows driver!
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Download Driver Setup

2. Installing the Adaptec Adaptec AIC-789x PCI SCSI Controller driver using DriverMax: the easy way

1. Start DriverMax and press on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your PC.
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3. Take a look at the list of detected driver updates. Search the list until you find the Adaptec Adaptec AIC-789x PCI SCSI Controller driver. Click on Update.
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5. That's it, you installed your first driver!
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Download DriverMax