Справочник Пользователя для Lenovo S405

The screen is blank. 

Do the following:
- If you are using the AC adapter, or using the battery, and 

the battery status indicator is on, press 

 to make the 

screen brighter. 

- If the power indicator is in blinking, press the power 

button to resume from the sleep mode. 

- If the problem persist, follow the solution in the following 

problem “The screen is unreadable or distorted.”

The screen is unreadable or 
distorted.

Make sure that: 
- The display device driver is installed correctly.
- The screen resolution and color quality are correctly set. 
- The monitor type is correct.

Incorrect characters appear on 
the screen.

Did you install the operating system or programs correctly? 
If they are installed and configured correctly, have the 
computer serviced.

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. 

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 operating time for a fully 
charged battery is short.

For details, see “Handling the battery” in Chapter 2.

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.

The battery does not charge.

For details, see “Handling the battery” in Chapter 2.