Installing the heat sink
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the installation procedure.
Steps
1. Align the screw holes on the heat sink with the screw holes on the system board.
2. In Ascending order (1>2>3), tighten the three captive screws that secure the heat sink to the system board.
Next steps
1. Install the base cover.
2. Follow the procedure in After working inside your computer.
Battery
Rechargeable Li-ion battery precautions
CAUTION:
● Exercise caution when handling rechargeable Li-ion batteries.
● Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and
operate the computer solely on battery power—the battery is fully discharged when the computer no longer
turns on when the power button is pressed.
● Do not crush, drop, mutilate, or penetrate the battery with foreign objects.
● Do not expose the battery to high temperatures, or disassemble battery packs and cells.
● Do not apply pressure to the surface of the battery.
● Do not bend the battery.
28 Removing and installing components
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