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System board
NOTE: The system board spare part kit includes replacement thermal material.
Description Spare part number
System board (includes replacement thermal material) 614524-001
Before removing the system board, follow these steps:
1. Shut down the computer.
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 36).
5. Remove the following components:
a. Switch cover (see
Switch cover on page 37)
b. Keyboard (see
Keyboard on page 39)
c. Speakers (see
Speakers on page 46)
d. Palm rest (see
Palm rest on page 48)
e. WLAN module (see
WLAN module on page 54)
f. Solid-state module (see
Solid-state module on page 50)
g. DVD-ROM drive (see
DVD-ROM drive on page 43)
h. Display assembly (see
Display assembly on page 62)
i. Top cover (see
Top cover on page 67)
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:
●
Memory module (see
Memory module on page 41)
●
WLAN module (see
WLAN module on page 54)
●
Modem module (see
Modem module on page 69)
●
Processor (see
Processor on page 60)
Remove the system board:
1. Position the computer right-side up with the front toward you.
2. Disconnect the USB board cable (1) from the system board.
3. Disconnect the power connector cable (2).
4. Remove the slotted T8 2.5×5.0 screw (3) that secures the system board to the base enclosure.
Component replacement procedures 71