HP 15 TouchSmart Notebook PC HP 15 Notebook PC Compaq 15 TouchSmart Notebook PC Compaq 15 Notebook PC - Maintenance and Service Guide

RTC battery
Description Spare part number
RTC battery 759981-001
Before removing the RTC battery, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 31), and then remove the following components:
●
Keyboard (see Keyboard on page 35)
●
Top cover (see Top cover on page 43)
●
WLAN module (see WLAN module on page 51)
●
System board (see System board on page 56)
To remove the RTC battery:
1. Position the system board upside down.
2. Using a thin tool or screwdriver, disengage the battery from the socket (1), and then remove the battery
(2).
Reverse this procedure to install the RTC battery.
64 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts