HP 15 - Manual (Page 65)

RTC battery
Description Spare part number
RTC battery 697917-001
IMPORTANT: Make special note of each screw and screw lock size and location during removal
and replacement.
Before removing the RTC battery, follow these steps:
1. Shut down the computer.
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 32 ).
5. Remove the keyboard (see Keyboard on page 36 ).
6. Remove the top cover (see Top cover on page 40 ).
7. Remove the hard drive (see Hard drive on page 44 ).
8. Remove the USB board (see USB board/Audio jack on page 47 ).
9. Remove the WLAN (see WLAN module on page 48 ).
10. Remove the system board (see System board on page 51 ).
Remove the RTC battery:
1. Turn the system board upside down, with the front toward you.
2. Remove the RTC battery (1) by pressing down with a thin plastic tool or your finger. The battery is
spring loaded and will pop up. Lift and remove the RTC battery (2).
Component replacement procedures 57