Maintenance and Service Guide
Table Of Contents
- Product description
- Components
- Illustrated parts catalog
- Removal and replacement procedures preliminary requirements
- Removal and replacement procedures for Customer Self-Repair parts
- Removal and replacement procedures for authorized service provider parts
- Interpreting system validation diagnostic front panel LEDs and audible codes
- Troubleshooting guide
- Resources
- General troubleshooting steps
- Identify the issue
- Analyze the issue
- Resolve the issue
- Verify solution
- Helpful Hints
- Common issues and possible solutions
- Additional information
- Acronyms
- Blinking lights and boot error codes
- Processor not executing code
- BIOS recovery code unable to find valid BIOS recovery image
- Memory module error
- Graphics Controller Error (No Controller)
- Failure - System Board Error
- Intel Trusted Execution Technology (TXT) Error
- Sure Start unable to find valid BIOS Boot Block image
- Sure Start has identified a problem (Manual Recovery Policy Set)
- POST error messages and user actions
- Routine maintenance for performance improvement
- Common blue screen error messages
- Use Windows Debugging Tool
- Display issue: pixel anomalies
- Cable management
- Connector types
- Computer Setup (BIOS), TPM, and HP Sure Start
- Using HP PC Hardware Diagnostics
- Backing up, restoring, and recovering
- Specifications
- Power cord set requirements
- Statement of memory volatility
- Recycling
- Index
Power button board
Table 6-6 Power button board description and part number
Description Spare part number
Power button board assembly (includes cable) L65690-001
Before removing the power button board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 32).
2. Remove the bottom cover (see Bottom cover on page 32).
3. Disconnect the battery cable from the system board (see Battery on page 44).
Remove the power button board:
NOTE: The power button board sits under the right display hinge. You do not have to remove the display to
remove the board, but you do have to rotate the right display hinge upward to gain access.
1. Remove the two Phillips M2.5 × 4.0 screws (1) that secure the right display hinge, and then rotate the
hinge upward from the power button board (2).
2. Disconnect the cable from the power button board (3).
3. Remove the Phillips M2.0 × 3.0 screw (4) that secures the power button board to the computer.
4. Remove the power button board from the computer (5).
Reverse this procedure to install the power button board.
52 Chapter 6 Removal and replacement procedures for authorized service provider parts