Upgrading and Maintaining Components
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Covering an Open I/O Slot
!Before opening the system unit, save and close all open files, exit all open applications, turn off the power to all attached peripheral devices, shut down the computer, and unplug the power cord.
Slot covers prevent air from escaping through the empty slot. If air escapes, the components inside the computer cannot be properly cooled. This may damage some components, especially the main processor, which generates the most heat.
1 Slide the tip of the slot cover between the chassis and system board.
Covering an open I/O slot (PCV-RX series model)
2 Push the slot cover down until it rests firmly on the lip in the chassis. All
3 Replace the slot cover's screw to secure the I/O slot cover.
