HP Omnibook XE4100/XE4500 Removal and Replacement 2-27
Removing the Heatsink (with Fan)
(HP Authorized Service Providers Only)
Required Equipment
• Small Phillips screwdriver.
Removal Procedure
1. Unplug the AC adapter, if present, and remove the battery.
2. Remove these additional assemblies:
• Hard disk drive (page 2-6).
• Keyboard cover (page 2-10).
• Switchboard PCA (page 2-13).
• Keyboard (page 2-13).
• Display assembly (page 2-17).
• Top case (page 2-20).
3. Remove all three retaining screws.
4. Lift up on the heatsink (with fan) and then disconnect the fan cable from the motherboard.
Figure 2-16. Removing the Heatsink (with Fan)
Screw, M2.5×4mm (3)
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