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4–32 Maintenance and Service Guide
Removal and replacement procedures
Bluetooth module
Before removing the Bluetooth module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on,
and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the battery (see “Battery” on page 4-6).
5. Remove the following components:
a. Optical drive (see “Optical drive” on page 4-7)
b. Hard drive (see “Hard drive” on page 4-9)
c. Keyboard (see “Keyboard” on page 4-15)
d. Keyboard cover (see “Keyboard cover” on page 4-17)
e. Power button board (see “Power button board” on page 4-19)
f. Display assembly (see “Display assembly” on page 4-20)
g. Top cover (see “Top cover” on page 4-26)
Remove the Bluetooth module:
1. Disconnect the Bluetooth module cable 1 from the system board. The Bluetooth cable is available using spare
part number 489121-001.
2. Remove the two Phillips PM2.5×3.5 screws 2 that secure the Bluetooth module to the base enclosure.
3. Remove the Bluetooth module 3.
Reverse this procedure to install the Bluetooth module.
Description Spare Part Number
Bluetooth module 483113-001
Bluetooth cable 489121-001