HP LJ461UT manual Description Spare part number Base enclosure 651372-001

Base enclosure

Description	Spare part number
Base enclosure	651372-001

Before removing the base enclosure, 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, and remove any media cards from the ExpressCard slot and the Media Card Reader.

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 following components:

a.Battery (see Battery on page 41.)

b.Service access cover (see Service access cover on page 42.)

c.SIM (see SIM on page 43.)

d.Fan and heat sink (see Fan and heat sink on page 44.)

e.Bluetooth module (see Bluetooth module on page 50.)

f.Speaker (see Speaker on page 52.)

g.Optical drive (see Optical drive on page 53.)

h.Hard drive or solid-state drive (see Hard drive or solid-state drive on page 60.)

i.WWAN (see WWAN module on page 56.)

j.WLAN (see WLAN module on page 58.)

k.Modem module (see Modem module on page 55.)

l.Keyboard (see Keyboard on page 62.)

Remove the base enclosure:

1.Position the computer right-side up, with the front toward you.

2.Open the ZIF connector for the power button cable (1), and remove the cable (2).

3.Open the ZIF connector for the fingerprint reader cable (3), and remove the cable (4).

66 Chapter 4 Removal and replacement procedures