HP 15 Notebook PC HP 15 TouchSmart Notebook PC Compaq 15 Notebook PC Compaq 15 TouchSmart Notebook PC HP 250 G2 Notebook PC HP 255 G2 Notebook PC Maintenance and Service Guide

3. Remove the speakers (3).
Reverse this procedure to install the speakers.
RTC battery
Description Spare part number
RTC battery 747132-001
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
Battery on page 49), and then remove the following components:
●
Service door (see
Service door on page 56)
●
WLAN module (see
WLAN module on page 59)
●
Top cover (see
Top cover/keyboard on page 62)
●
System board (see
System board on page 85)
104 Chapter 4 Removal and replacement procedures