HP DV4 manual Top cover

Removal and replacement procedures

Top cover

✎The top cover spare part kit includes the TouchPad on/off board and cable and TouchPad board and cable.

Description	Spare part number
White computer models equipped with a Fingerprint Reader	591951-001
White computer models not equipped with a Fingerprint Reader	591950-001
Black computer models equipped with a Fingerprint Reader	591953-001
Black computer models not equipped with a Fingerprint Reader	591952-001
Plaid computer models quipped with a Fingerprint Reader	591955-001
Plaid computer models not equipped with a Fingerprint Reader	591954-001

Before removing the top cover:

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 disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer.

4.Remove the battery (see “Battery” on page 4-7).

5.Remove the following components:

a.Hard Drive (see “Hard Drive” on page 4-8)

b.Mini Card compartment cover (see “RTC battery” on page 4-12)

c.Optical drive (see “Optical drive” on page 4-19)

d.Keyboard (see “Keyboard” on page 4-20)

e.Keyboard cover (see “Keyboard cover” on page 4-23)

f.Speaker assembly (see “Speaker assembly” on page 4-26)

g.Display assembly (see “Display assembly” on page 4-27)

4–34 Maintenance and Service Guide