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
Speaker, headphone - audio issues
Table 8-44 Issues, possible causes, and xes
Items Procedures
Symptoms
● No sound from external or
internal speakers
● Distorted sound, too soft, too
loud, intermittent
Possible causes
Volume turned down, sound card not recognized, malfunctioning hardware, electronic
interference.
Troubleshooting steps
1. Remove any device connected to the Audio jack to enable the internal speaker.
2. Close all open programs.
3. Adjust volume by pressing Fn + F6/F7. Be sure that volume button light is not amber
(mute).
- or -
Adjust Windows volume control by clicking the speaker icon on the Windows taskbar. Be
sure that the sound is not muted.
4. Verify that sound card is detected in Windows Device Manager.
5. Reinstall the latest audio driver.
6. Test audio device using HP PC Hardware Diagnostics (UEFI) tool (F2 > Component Tests
> Audio).
7. Test with a veried working operating system. If issue is resolved, restore full operating
system.
8. Test with veried working external speakers or headset.
9. Reseat internal speaker connections.
10. Test with veried working internal speakers.
11. Replace internal speakers.
No sound from headphones 1. Adjust volume by pressing Fn + F6/F7. Be sure that volume button light is not amber
(mute). Or adjust Windows volume control by clicking the speaker icon on the Windows
taskbar. Be sure that the sound it not muted.
2. Check headphone cable connection.
3. Test with a veried working audio board.
4. Replace audio board and verify the change.
No sound from external speakers 1. Verify that external speakers are turned on.
2. Disconnect headphones from headphone jack.
3. Adjust volume by pressing Fn + F6/F7. Be sure that volume button light is not amber
(mute).
- or -
Adjust Windows volume control by clicking the speaker icon on the Windows taskbar. Be
sure that the sound is not muted.
4. Check for possible interference devices nearby that may impact the audio (cell phone or
portable communications handset.)
Common issues and possible solutions 125