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
Unresponsive
Table 8-24 Issues, possible causes, and xes
Items Procedures
Symptom
Unresponsive
Possible causes
Program in use has stopped responding to commands.
Troubleshooting steps
1. If possible, use the Windows Task Manager to isolate and terminate the oending
process.
2. Attempt the normal Windows shutdown procedure.
3. Restart the computer using the power button.
Slow performance
Table 8-25 Issues, possible causes, and xes
Items Procedures
Symptom
Slow performance when performing
small tasks, or even in idle mode
Possible causes
Processor is hot or hard drive is full.
Troubleshooting steps
Processor is hot
1. Verify that airow to the computer is not blocked.
2. Verify that chassis fans are connected and working properly. Some fans operate only
when needed.
3. Verify that the processor heat sink is installed properly.
Hard drive is full
1. Transfer data from the hard drive to create more space on the hard drive. Microsoft
recommends at least 200 MB to sync system les.
2. Perform disk defragmentation to consolidate fragmented data on the hard drive so it
will work more eciently.
Also see Slow performance on page 129.
Tips and tricks See Routine maintenance for performance improvement on page 140).
See http://windows.microsoft.com/en-us/windows-8/free-up-disk-space.
See http://windows.microsoft.com/en-us/windows/optimize-windows-better-
performance#optimize-windows-better-performance=windows-vista.
HP Smart Adapter warning message
Table
8-26 Issues, possible causes, and xes
Items Procedures
Symptom Possible causes
Common issues and possible solutions 111