HP CQ56-134CA, CQ56-110US, CQ56-109WM Description Spare part number RTC battery 602745-001

RTC battery

Description	Spare part number
RTC battery	602745-001

Before removing the RTC battery:

1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on the computer, 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 following components:

a.Battery (see Battery on page 36)

b.Hard drive (see Hard drive on page 37)

c.WLAN module (see WLAN module on page 42)

d.Memory module (see Memory module on page 44)

e.Optical drive (see Optical drive on page 39)

f.Keyboard (see Keyboard on page 46)

g.Top cover (see Top cover on page 49)

h.Display assembly (see Display assembly on page 59)

i.System board (see System board on page 66)

Remove the RTC battery:

1.Position the system board upside down.

2.Use a sharp, non-conductive tool to release the clip (1) that secures the battery to the system board.

Component replacement procedures 69