Maintenance and Service Guide
Table Of Contents
- Product description
- External component identification
- Illustrated parts catalog
- Removal and replacement procedures
- Preliminary replacement requirements
- Component replacement procedures
- Bottom cover
- Rear cover
- Hard drive
- Memory module
- Y-axis capacitor board
- RTC battery
- USB board
- X-axis capacitor board
- Converter board
- Media card reader board
- USB connector cable
- Speakers
- Display stand recess
- Power button board
- Battery
- Webcam/microphone module
- Audio/USB board
- WLAN module
- Air flow channel
- Display panel cable
- Fan
- System board
- Heat sink
- Display stand
- Wireless antenna
- Middle frame
- Power connector cable
- Using Setup Utility (BIOS) and HP PC Hardware Diagnostics (UEFI)
- Specifications
- Backing up, restoring, and recovering
- Power cord set requirements
- Recycling
- Index

3. Detach the Y-axis capacitor board (3) from the middle frame. (The Y-axis capacitor board is
attached to the middle frame with double-sided adhesive.)
4. Remove the Y-axis capacitor board.
Reverse this procedure to install the Y-axis capacitor board.
RTC battery
Description Spare part number
RTC battery (includes cable and double-sided adhesive) 728072-001
Before removing the RTC battery, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see
Bottom cover on page 23).
5. Remove the rear cover (see
Rear cover on page 26).
6. Disconnect the battery cable (see
Hard drive on page 27).
7. Remove the Y-axis capacitor board (see
Y-axis capacitor board on page 30).
Remove the RTC battery:
1. Disconnect the RTC battery cable (1) from the system board.
Component replacement procedures 31