4 Replacement Procedures 4.21 Fan/CPU
3. Remove the following screws and fan.
• M2.5×4B FLAT HEAD screw ×2
M2.5×4B FLAT HEAD
Fan
M2.5×4B FLAT HEAD
Figure4-32 Removing the fan
4. Unlock the CPU by turning the cam counterclockwise on the CPU socket by 90
degrees with a flat-blade screwdriver.
Figure 4-33 Removing the CPU
5. Remove the CPU.
CAUTION: When removing the CPU, lift it up right above. Otherwise, pins of CPU may
be damaged.
4-54 [CONFIDENTIAL] PORTÉGÉ M500 Maintenance Manual (960-559)