Service Manual

Steps
1. Place the heat sink on the system board and align the screw holes on the heat sink with the screw holes on the system
board.
2. In sequential order (following the numeral markings on the heat sink, from 1 to 4), tighten the four captive screws (M2x5.85)
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.
Removing the heat sink (for discrete GPU)
Prerequisites
NOTE: The heat sink type in your computer varies depending on the configuration ordered.
CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils
in your skin can reduce the heat transfer capability of the thermal grease.
40 Removing and installing components