Power button board
Description Spare part number
Power button board for use in model numbers 15-dp000~0999 L42998-001
Power button board for use in model numbers 15-bc300~399, 15-bc400~499 858974-001
Power button board cable 858966-001
IMPORTANT: Make special note of each screw and screw lock size and location during removal
and replacement
Before removing the power button board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 34).
2. Remove the base enclosure (see Base enclosure on page 34).
3. Disconnect the cable from the battery (see Battery on page 36).
4. Remove the hard drive (see Hard drive on page 39).
5. Remove the USB board (see USB board on page 49).
6. Remove the display (see Display assembly on page 58).
Remove the power button board:
▲
Remove the broad head Phillips M2.0 × 2.0 screw (1), lift the power button board at an angle (2), and
then remove it (3).
Reverse this procedure to install the power button board.
66 Chapter 5 Removal and replacement procedures for authorized service provider parts