e. Memory (see Memory modules on page 45)
f. WLAN module (see
WLAN/Bluetooth combo card on page 47)
g. Keyboard (see
Keyboard on page 49)
h. Metal heat shield (see
Metal heat shield on page 51)
i. Fan (see
Fan on page 52)
j. Top cover (see
Top cover on page 53)
Remove the power button and function button boards.
1. Position the top cover on its face with the front towards you.
2. Remove the single screw (1) from the power button board and from the function button board.
3. Lift the two boards (2) and (3) from the top cover and then peel the cable from the top cover.
4.
Reverse this procedure to install the power button and function boards.
USB Module
Description Spare part number
USB module (part of spares kit) 683640-001
Before removing the USB 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.
Component replacement procedures 63
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