Lenovo Z475, Z575 manual Troubleshooting Sound problems, Battery problems, Hard disk drive problem

Models: Z475 Z575

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Chapter 5. Troubleshooting

Sound problems

No sound can be heard from

Make sure that:

the speaker even when the vol-

- The Mute function is off.

ume is turned up.

- The headphone jack is not used.

 

- Speakers are selected as the playback device.

 

 

Battery problems

 

 

 

Your computer shuts down

Discharge and recharge the battery.

before the battery status indica-

 

tor shows empty.

 

-or-

 

Your computer operates after

 

the battery status indicator

 

shows empty.

 

The computer does not operate

The surge protector in the battery might be active. Turn off

with a fully charged battery.

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

In the Boot menu in BIOS setup utility, make sure that the

work.

hard disk drive is included in the Boot priority order

 

correctly.

 

 

A startup problem

 

 

 

The Microsoft® Windows oper-

Use the OneKey Rescue system to help solve or identify

ating system does not start.

your problem. For details about OneKey Rescue system, see

 

“Chapter 4. OneKey Rescue system” on page 33.

 

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

The system partition, such as the partition size or the drive

to factory default.

capacity of C, has been modified.

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Lenovo Z475, Z575 manual Troubleshooting Sound problems, Battery problems, Hard disk drive problem, Startup problem