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4–40 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 4-7).
5. Remove the following components:
a. Hard drive (see “Hard drive” on page 4-8)
b. Memory module (see “Memory module” on page 4-10)
c. WLAN module (see “WLAN module” on page 4-12)
d. Optical drive (see “Optical drive” on page 4-14)
e. Keyboard (see “Keyboard” on page 4-16)
f. Top cover (see “Top cover” on page 4-18)
g. Audio board (see “Audio board” on page 4-30)
h. Fan (see “Fan” on page 4-32)
i. System board (see “System board” on page 4-34)
Description Spare part number
Bluetooth module
✎
The Bluetooth module spare part kit does not include a Bluetooth module cable. The
Bluetooth module cable is included in the Cable Kit, spare part number 493275-001. See
“Cable Kit” on page 3-7 for more Cable Kit information.
398393-002