HP (Hewlett-Packard) QR251US ユーザーズマニュアル
Lid switch
Description
Spare part number
Lid switch board (includes cable)
642765-001
Before removing the lid switch, 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.
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.
and then unplugging the AC adapter from the computer.
4.
5.
Remove the following components:
a.
).
b.
)
c.
Optical drive (see
)
d.
e.
f.
)
g.
Heat sink (see
)
h.
Modem module (see
i.
Keyboard (see
)
j.
Bottom cover (see
Remove the lid switch:
1.
Position the computer right-side up, with the front toward you.
104 Chapter 4 Removal and replacement procedures