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Chapter 4. Troubleshooting
Sound problems
No sound can be heard
from the speaker even
when the volume is turned
up.
• Make sure that:
- The Mute function is off.
- The combo audio jack is not used.
- The speaker is selected as the playback device.
Battery problems
Your computer shuts down
before the battery status
indicator shows empty.
-or-
Your computer operates
after the battery status indi-
cator shows empty.
• Discharge and recharge the battery.
The computer does not
operate with a fully charged
battery.
• The surge protector in the battery might be active.
Turn off the computer for one minute to reset the
protector; then turn on the computer again.
A hard disk drive problem
The hard disk drive does
not work.
• In the Boot menu in BIOS setup utility, make sure
that the hard disk drive is included in the UEFI
correctly.