HP Elitebook 2540p Maintenance And Service Manual page 103

When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
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Remove the system board:
1.
2.
3.
4.
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h. Top cover (see Top cover on page
i. Speaker (see Speaker on page
SIM (see SIM on page 49)
Memory modules (see Expansion memory module on page 52
on page 74)
WLAN module (see WLAN module on page
WWAN module (see WWAN module on page
RTC battery (see RTC battery on page
Bluetooth module cable (see
Modem module (see Modem module on page
Fan/heat sink assembly (see
Release the ZIF connector to which the LED board cable is attached, and then disconnect the
LED board cable (1) from the system board.
Remove the Torx8 T8M2.5×5.0 screw (2) that secures the system board to the base enclosure.
Flex the left side of the base enclosure (1) until the RJ-11 jack and USB ports are clear of the
openings in the base enclosure.
Use the optical drive connector (2) to lift the left side of the system board (3) until it rests at an
angle.
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85)
91)
57)
61)
73)
Bluetooth module cable on page
97)
Fan/heat sink assembly on page
and Primary memory module
92)
98)
Component replacement procedures 95