ASROCK Z77 Extreme11 User Manual page 56

2.16.4 Driver Installation and Setup
Step 1. Power on your computer and boot into OS.
Step 2. Remove the AMD drivers if you have any VGA drivers installed in
your system.
The Catalyst Uninstaller is an optional download. We recommend using
this utility to uninstall any previously installed Catalyst drivers prior to in-
stallation. Please check AMD's website for AMD driver updates.
Step 3. Install the required drivers and CATALYST Control Center then
restart your computer. Please check AMD's website for details.
Step 4. You will find "AMD Catalyst Control Center" on your Windows
taskbar.
Step 5. Double-click "AMD Catalyst Control Center". Click "View", select
"CrossFireX
you installed two graphics cards, select "2 GPUs" and click "Apply".
If you installed three graphics cards, select "3 GPUs" and click
"Apply". If you installed four graphics cards, select "4 GPUs" and
click "Apply".
AMD Catalyst Control Center
TM
", and then check the item "Enable CrossFireX
56
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TM
". If