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

2. Insert a screwdriver or similar thin tool into the release hole near the fan, and then press on the back of
the keyboard until it releases from the computer (2).
NOTE: Cables connect the bottom of the keyboard to the system board. Make sure not to prematurely
pull the keyboard cables out of the system board connectors.
3. Position the computer upright with the front toward you, and then open the computer as far as possible.
4. Lift the top of the keyboard (1), and then pull the keyboard up to remove the tabs from the computer
(2).
5. Rotate the keyboard over onto the palm rest (1).
6. Disconnect the keyboard backlight cable from the system board ZIF connector (2) (select models only).
7. Disconnect the pointing stick cable from the system board ZIF connector (3).
8. Disconnect the main keyboard cable from the system board ZIF connector (4).
Component replacement procedures 41