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 8-13 Issues, possible causes, and xes (continued)
Items Procedures
6. Compare discharge time with a veried working battery (remove AC adapter)
using Hardware Diagnostics (UEFI) > Hard Drive Tests > Extensive Test > Loop
until error.
Tips and tricks To conserve battery power, turn o Wireless On-O button and other peripherals/USB
devices, applications, processes (in Task Manager) when not in use; also, reduce screen
brightness.
Follow HP instructions of how to maintain battery and increase battery life. Also
reference http://support.hp.com/us-en/document/c01297640?
jumpid=hpr_r1002_usen_link3.
Burnt smell
Table 8-14 Issues, possible causes, and xes
Items Procedures
Symptoms
Emits smoke, burnt smell
Possible causes
Defective on-board components.
Troubleshooting steps
General visual inspection
1. Disconnect the computer from power source (AC adapter and battery).
2. Inspect for visual damage on AC adapter and battery. Test on a known working
computer to isolate issue. If issue follows AC adapter or battery, replace it.
3. Inspect any sign of liquid spill on the computer (back of keyboard).
The sections below are intended for authorized service providers/technicians.
Further inspection on components
1. Inspect further sources internally after disassembling chassis, such as burnt or
damaged components.
2. If the issue persists, replace boards, AC adapter, and battery for safety concern
and report issues to HP.
POST
No video (with power)
Table
8-15 Issues, possible causes, and xes
Items Procedures
Symptoms
● No video (black/blank image) but
have power
● Light activity
● No error messages
● Fan noise
Possible causes
Failed display
Failed critical components (memory, hard drive, system board)
Loose connection
Recently added hardware
Common issues and possible solutions 101