Users Manual

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Chapter 4. Troubleshooting
Sound problems
No sound can be heard
from the speakers even
when the volume is turned
up.
Makesurethat:
Themutefunctionisoff.
Thecomboaudiojackisnotused.
Thespeakersareselectedastheplaybackdevice.
Battery problems
Your computer shuts down
before the power and
battery status indicator
shows empty.
-or-
Your computer operates
after the power and battery
status indicator shows
empty.
•ResetthebatterygaugeusingLenovoEnergy
Management.Iftheproblempersists,replacewitha
newbatterypack.
The computer does not
operate with a fully charged
battery.
•Thesurgeprotectorinthebatterymightbeactive.
Turnoffthecomputerforoneminutetoresetthe
protector;thenturnonthecomputeragain.
Hard disk drive problem
The hard disk drive does not
work.
•IntheBootmenuintheBIOSsetuputility,make
surethattheharddiskdriveisincludedintheEFI
list.