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Chapter 4. Troubleshooting
33
Sound problems
No sound can be heard
from the speaker even
when the volume is turned
up.
• Makesurethat:
‐ Themutefunctionisoff.
‐ Thecomboaudiojackisnotused.
‐ Thespeakerisselectedastheplaybackdevice.
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.
• ResetthebatterygaugeusingLenovoEnergy
Management.Iftheproblempersists,replacewitha
newbatterypack.
The computer does not
operate with a fully charged
battery.
• Thesurgeprotectorinthebatterymightbeactive.
Turnoffthecomputerforoneminutetoresetthe
protector;thenturnonthecomputeragain.
A hard disk drive problem
The hard disk drive does
not work.
• IntheBootmenuintheBIOSsetuputility,makesure
thattheharddiskdriveisincludedintheEFIlist.