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
Thunderbolt (TB)
Table 8-45 Issues, possible causes, and xes
Items Procedures
Symptom
Thunderbolt device not working
Possible causes
BIOS, drivers, and user settings.
Troubleshooting steps
1. Update to the latest BIOS and choose appropriate TB Port settings.
2. Reset User Account Settings to default.
3. Update Intel Thunderbolt software that includes rmware version (for TB controller), driver
version (operating system driver), and application version.
4. Verify that TB device is detected in Windows Device Manager.
5. Verify TB port, cable and connection.
6. Test with a veried working TB board, if possible.
NOTE: Thunderbolt is new technology. Thunderbolt cable and Thunderbolt device must be
compatible with Windows. To determine whether your device is Thunderbolt Certied for
Windows, see https://thunderbolttechnology.net/products.
126 Chapter 8 Troubleshooting guide