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HP OmniBook 2100/3000/3100 Removal and Replacement 2-25
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 2-9).
• Keyboard (see page 2-20).
• Heatsink and top case (see page 2-21).
3. If two screws are at the front corners of the CPU module, remove them.
Caution
• Remove and install the CPU module by holding it at the connector end (the right end). Do not
pull or push on large components. 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. Be
sure to use the thermal kit that is compatible with the CPU module. Components may be
damaged if compatible parts are not used. See the table starting on page 4-3.
4. Unplug the CPU module from the motherboard. It is held by two connectors under the right end
of the module.
Figure 2-20. Two Types of CPU Modules and Thermal Kits
CPU module, Pentium (T)CPU module, Pentium II (MD)
Note:
The larger thermal
pads are the same for
both CPU types, but
the corner spacers are
different.
Spacer
Thermal pad