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2-24 Removal and Replacement HP OmniBook 2100/3000/3100
Removing the Motherboard or Bottom Case
(HP Authorized Service Providers Only)
Required Equipment
• Small Phillips screwdriver, preferably magnetized.
• 5 mm hex driver.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery.
2. Remove these additional assemblies:
• Floppy drive or other plug-in module (see page 2-4).
• Hard drive (see page 2-5).
• Display assembly (see page 2-8).
• Keyboard (see page 2-19).
• Heatsink and top case (see page 2-20).
3. Remove the two screws from the front edge of the CPU module.
Caution
Remove and install the CPU module by holding it at the connector end (the right end). Otherwise,
you could damage the connectors or damage pressure-sensitive components on the module.
Install or replace the CPU module thermal pad and spacer if they are missing or damaged.
4. Unplug the CPU module from the motherboard. It is held by two connectors under the right end
of the module.
Figure 2-20. Removing and Installing the CPU Module
Caution
Use care when removing or installing the USB PCA. Otherwise, you could damage the mating
pins on the motherboard.
5. Remove the screw from the USB PCA, then unplug the PCA from the motherboard by lifting the
front edge.
6. Remove the three screws (one inside the hard drive opening) and three hex standoffs from the
motherboard.
Pull up here to remove.
Push here to install.