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

Power button board
Description Spare part number
Power button board (includes cable) 749650-001
Before removing the power button board, 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).
5. Remove the keyboard (see Keyboard on page 35).
6. Remove the top cover (see Top cover on page 43).
To remove the power button board:
1. Position the top cover upside down.
2. Remove the Phillips PM2.0×3.0 screw (1) that secures the power button board to the top cover.
3. Lift the board and cable up and remove from the top cover (2) while pulling cable through the hole in top
cover (3).
Reverse this procedure to install the power button board and cable.
46 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts