HP ZBook 17 Maintenance and Service Guide - Page 153

Speaker, headphone - audio issues, Items, Procedures, latest audio driver, Component Tests, Audio

Page 153 highlights

Speaker, headphone - audio issues Items Symptoms ● No sound from external or internal speakers ● Distorted sound, too soft, too loud, intermittent No sound from headphones No sound from external speakers Procedures 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 verified working operating system. If issue is resolved, restore full operating system. 8. Test with verified working external speakers or headset. 9. Reseat internal speaker connections. 10. Test with verified working internal speakers. 11. Replace internal speakers. 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 verified working audio board. 4. Replace audio board and verify the change. 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 139

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Speaker, headphone - audio issues
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
verified
working operating system. If issue is resolved, restore full operating
system.
8.
Test with
verified
working external speakers or headset.
9.
Reseat internal speaker connections.
10.
Test with
verified
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
verified
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
139