Power cable
The power cable is included in the Cable Kit, spare part number 721510-001.
Before removing the power cable, 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 36).
5. Remove the following components:
a. Service door (see
Service door on page 37).
b. Hard drive (see
Hard drive on page 38)
c. Optical drive (see
Optical drive on page 41)
d. WLAN/Bluetooth module (see
WLAN/Bluetooth combo card on page 45)
e. WWAN module (see
WWAN module on page 47)
f. Keyboard (see
Keyboard on page 49)
g. Top cover (see
Top cover on page 53)
h. System board (see
System board on page 66)
Remove the power cable:
1. Position the system board upside-down.
2. Disconnect the cable from the bottom of the system board.
Reverse this procedure to install the power cable.
Battery cable
The battery cable is included in the Cable Kit, spare part number 721510-001.
Component replacement procedures 69
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