MSI X99S GAMING 9 AC - Manual (Page 25)

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3. Open the load plate by pushing down on the hinge lever.
4. Grasp the tab, only it has risen away from the socket, open load plate to full open
position.
1. Open hinge lever. You can identify the hinge lever as below shown, it with a
interlocking feature on the other end.
2. Open active lever.
Active lever
Hinge lever
Interlock
CPU & Heatsink Installation
When installing a CPU, always remember to install a CPU heatsink. A CPU heatsink
is necessary to prevent overheating and maintain system stability. Follow the steps
below to ensure correct CPU and heatsink installation. Wrong installation can damage
both the CPU and the motherboard.
Video Demonstration
Watch the video to learn how to install CPU & heatsink.
http://youtu.be/WPhyn2C5mgs