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

HP BIOS Conguration Utility (BCU)
HP BCU is a free utility that captures the BIOS settings and their values. This tool provides a text le of the
computer’s BIOS conguration. This can help identify any settings that may be contributing to an issue.
In some cases, it may help to compare this BIOS text le to the default settings of the computer.
For more information, see the http://ftp.hp.com/pub/caps-softpaq/cmit/whitepapers/
BIOS_Conguration_Utility_User_Guide.pdf.
NOTE: HP recommends that you reset BIOS before trying BCU. Resetting the BIOS is always available and
relatively quick to try, whereas BCU takes extra time and eort.
HP Image Diagnostic Tool
Available to HP Authorized Support Partners (ASPs) and users from the ftp://ftp.hp.com/pub/idr/
ImageDiags/, this tool collects information about the current state of the computer, including product serial
number, platform and BIOS information, and information about user-installed software and hardware
components. HP encourages you to review the report before sending it to support. The report may assist you
with diagnostics and solutions to problems you encounter.
HP Thermal Monitor
NOTE: Available only to authorized service providers/technicians.
Available only for HP internal use, HP Thermal Monitor can be used to stress the processor and GPU and
monitor the temperature values of various components in the system. The components that are currently
monitored include the processor, GPU, ACPI thermal zones, hard drive, and battery. The tool reads the
temperatures of the components, logs the data, and helps to determine whether the computer would
overheat in the event of thermal shutdown, fan spinning loud, etc.
Non HP diagnostics tools
Windows-to-Go USB
Windows-To-Go USB is a Microsoft-based tool for Enterprise editions of Windows that can help in
troubleshooting. You can nd a process online about how to create a live Windows USB drive. For more
information, see https://technet.microsoft.com/en-us/library/hh831833.aspx.
Intel Processor Diagnostic Tool
Determine what processor is in your computer and verify the processor operating frequency. The tool also
tests specic processor features and performs a stress test on the processor. For more information, see
http://www.intel.com/support/processors/sb/CS-031726.htm?iid=subhdr+tools_procdiagtool.
86 Chapter 8 Troubleshooting guide