Speaker, Headphone - Audio Issues - HP ZBook Power G10 Maintenance And Service Manual

Table 6-43 Issues, possible causes, and fixes (continued)
Items
Card Reader Removal Policy

Speaker, headphone - audio issues

Use this information to troubleshoot audio issues.
Table 6-44 Issues, possible causes, and fixes
Items
Symptoms
● No sound from external or
internal speakers
● Distorted sound, too soft, too
loud, intermittent
Procedures
Troubleshooting steps
1. Verify card reader removal policy.
2. Be sure that the card has no physical damage.
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. Be sure that 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.
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