CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
NOTE: You can remove the microprocessor thermal-cooling assembly with the fan attached.
Carefully turn the system board upside down.
Disconnect the fan power cord from the system board.
1
processor thermal-cooling assembly
2
cooling fan connector
3
cooling assembly support plate
Loosen in consecutive order the four captive screws labeled "1" through "4" that secure
the microprocessor thermal-cooling assembly to the system board.
Rotate the microprocessor thermal-cooling assembly up toward the side of the
computer and away from the system board.
Lift the system board and rotate the cooling assembly support plate down and out
from the video connector.
Installing the Processor Thermal-Cooling
Assembly
Slide the hole in the bottom cooling assembly plate over the video connector and
carefully rotate the plate into place against the bottom of the system board. Its holes
should line up with holes in the system board.
Seat the microprocessor thermal-cooling assembly in place. All four screws should
match up with the screw holes in the system board and the bottom cooling assembly
plate. The fan should overhang the board to the right of the video connector.
Reattach the fan power cord.
NOTICE: If the screws are not tightened in their numbered order, the processor may be damaged.
Tighten the four captive screws labeled "1" through "4" in consecutive order.
