Thunderbolt (Tb) - HP Elite x2 G8 Maintenance And Service Manual

Table 7-44 Issues, possible causes, and fixes (continued)
Items
No sound from headphones
No sound from external speakers

Thunderbolt (TB)

Use this information to troubleshoot Thunderbolt issues.
Table 7-45 Issues, possible causes, and fixes
Items
Symptom
Thunderbolt device not working
116 Chapter 7 Troubleshooting guide
Procedures
9. Reseat internal speaker connections.
10. Test with verified working internal speakers.
11. Replace internal speakers.
1. Adjust volume by pressing
(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
(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 might affect the audio (cell phone
or portable communications handset.)
Procedures
Possible causes
BIOS, drivers, and user settings.
Troubleshooting steps
1. Update to the latest BIOS and choose appropriate TB Port settings.
2. Reset User Account Settings to default.
3. Update Intel Thunderbolt software that includes firmware version (for TB controller), driver
version (operating system driver), and application version.
fn + f6 or f7. Be sure that volume button light is not amber
fn + f6 or f7. Be sure that volume button light is not amber