HP 721953-141 ユーザーズマニュアル
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.
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.
then unplugging the AC adapter from the computer.
4.
Remove the battery (see
5.
Remove the following components:
a.
).
b.
)
c.
)
d.
WLAN/Bluetooth module (see
e.
WWAN module (see
f.
Keyboard (see
)
g.
Top cover (see
h.
System board (see
)
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.
Component replacement procedures
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