Speaker, Headphone - Audio Issues - HP ZBook Fury 17 G7 Maintenance And Service Manual

Table 7-42 Issues, possible causes, and fixes (continued)
Items
Card Reader Removal Policy

Speaker, headphone - audio issues

Use this information to troubleshoot audio issues.
Table 7-43 Issues, possible causes, and fixes
Items
Symptoms
● No sound from external or internal
speakers
Distorted sound, too soft, too
●
loud, intermittent
156 Chapter 7 Troubleshooting guide
Procedures
Troubleshooting steps
1. Verify card reader removal policy.
2. Make sure there is no physical damage to the card.
3. Inspect the ends of the memory cards for dirt or material closing a hole or spoiling
a metal contact. Clean the contacts with a lint-free cloth and small amounts of
isopropyl alcohol. Replace the memory card if necessary.
4. Reinstall and update the drivers for the card reader.
5. Make sure the smart card reader is compliant with ISO 7816 Class A, B, and C.
6. Reinsert the card reader with correct face as described in its documentation.
7. Check reader function with a verified working card.
IMPORTANT: If the card reader has an in-use indicator light, do not insert or remove
memory cards while the light is flashing. Doing so might cause loss of data on the card or
might permanently damage the card reader.
Procedures
Possible causes
Volume turned down, sound card not recognized, malfunctioning hardware, electronic
interference.
ENWW