Rtc Battery - HP Compaq Presario CQ57 Maintenance And Service Manual

RTC battery

Description
RTC battery (includes cable and double-sided tape)
Before removing the RTC battery, 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.
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 battery (see
●
Optical drive (see
●
WLAN module (see
●
Keyboard (see
●
Top cover (see
●
USB board (see
●
Power connector cable (see
●
Display assembly (see
●
System board (see
Remove the RTC battery:
1. Turn the system board upside down, with the front toward you.
2.
Disconnect the RTC battery cable (1) from the system board.
Battery on page 36), and then remove the following components:
Optical drive (select models only) on page
WLAN module on page
Keyboard on page 46)
Top cover on page 49)
USB board on page 56)
Power connector cable on page
Display assembly on page
System board on page
37)
40)
57)
61)
68)
Component replacement procedures
Meijer.com
Spare part number
646132-001
71