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Chapter 5. Troubleshooting
39
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 headphone jack is not used.
- Speakers are 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 indicator
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 EFI/Boot device priority
correctly.
A startup problem
The Microsoft
®
Windows
operating system does not
start.
• Use the OneKey Recovery system to restore the system
partition to its original status or a previously created back-
up point. For details about the OneKey Recovery system,
see “Lenovo OneKey Recovery system” on page 34.
A backup problem
Backup cannot be made. • You are not currently using a Windows operating system.
• There is not enough space to store the backed-up data. You
will need to free more space on the destination device.