4.21 Fan/CPU 4 Replacement Procedures

4.21 Fan/CPU

Removing the Fan/CPU
To remove the fan/CPU, follow the steps below and refer to Figure 4-31 to 4-33.
CAUTION: 1) The CPU can become very hot during operation. Be sure to let it cool
before starting repair work.
2) When you remove the heat sink, wipe the grease off of the bottom of the
heat sink and top of the CPU. Apply new grease when installing.
1. Remove the glass tape on the back of the system board and disconnect the fan cable
from the connector CN8771 on the system board.
2. Remove the following screws securing the CPU holder in the opposite order of the
marks (number) on the holder and remove the CPU holder.
M2×4B BIND screw ×3
M2×4B BIND
Glass tape
Fan cable
CN8781
CPU holder
Figure 4-31 Removing the CPU holder
PORTÉGÉ M500 Maintenance Manual (960-559) [CONFIDENTIAL] 4-53