Rtc Battery - HP Compaq Presario,Presario CQ62-220 Maintenance And Service Manual

RTC battery

Description
RTC battery
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 disconnecting the power cord from the AC
outlet and then disconnecting the AC adapter from the computer.
4. Remove the battery (see
5. Remove the following components:
a. Hard drive (see
b. WLAN (see
c. Optical drive (see
d. Keyboard (see
e. Top cover (see
f. Speaker assembly (see
g. Display assembly (see
h. System board (see
Remove the RTC battery:
1. Turn 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.
80 Chapter 4 Removal and replacement procedures
Battery on page
Hard drive on page
WLAN module on page
Optical drive on page
Keyboard on page 55)
Top cover on page
Speaker assembly on page
Display assembly on page
System board on page
44).
45)
50)
48)
58)
61)
70)
76)
Spare part number
602745-001