Lenovo Z480 Tablet User Manual


 
Chapter 5. Troubleshooting
37
Sound problems
No sound can be heard from
the speaker even when the vol-
ume 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 indica-
tor 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 Boot priority order
correctly.
A startup problem
The Microsoft
®
Windows oper-
ating system does not start.
Use the OneKey Rescue system to help solve or identify
your problem. For details about OneKey Rescue system, see
“Chapter 4. OneKey Rescue system” on page 30.
OneKey Rescue system problems
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 hard disk space on your system
partition (C drive).
Fail to restore system partition
to factory default.
The system partition, such as the partition size or the drive
capacity of C, has been modified.