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
Table 8-21 Issues, possible causes, and xes (continued)
Items Procedures
Troubleshooting steps
Follow suggested steps below one at a time to verify normal boot process:
1. Disconnect all external peripherals, and perform a hard reset (8. Hard reset
on page 89).
2. Perform soft reset (9. Soft reset (Default Settings) on page 90).
3. Update BIOS and drivers (4. Update BIOS and drivers on page 83).
a. Roll back to previous version may be necessary.
b. Go to safe mode to install drivers.
4. Run Hardware Diagnostics (6. HP Hardware Diagnostics and Tools on page 84)
to isolate hardware issue.
5. Undo recent changes in Windows (5. Remove or uninstall recently added
hardware, software on page 83).
6. Reseat cables and connections (10. Reseat cables and connections
on page 90).
7. Start Windows in safe mode (11. Test with minimum conguration
on page 91).
8. Use Startup Repair Windows to x Windows damaged les.
9. Test with essential hardware conguration (11. Test with minimum
conguration on page 91) along with a veried working operating system (i.e.,
USB Windows-To-Go ) if available to isolate the software issue.
Tips and tricks For more information, see http://support.hp.com/us-en/document/c03671001.
Electromagnetic Interference (EMI)
Table
8-22 Issues, possible causes, and xes
Items Procedures
Symptoms
System locks up, freezes in certain
physical area or location
Possible causes
Electromagnetic interference (EMI).
Troubleshooting steps
1. See (2. Examine the environment on page 82). Pay attention to external power source,
high-frequency signals such as cell phones, microwave ovens.
2. Move the computer to dierent locations nearby to determine where it fails and where it
does not fail.
3. Test with a veried working computer in original factory conguration.
Common issues and possible solutions 109