Lenovo V560 Notebook User Manual download pdf (Page 33)

Chapter 5. Troubleshooting

Computer screen problems

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 Fn + ↑ 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.”

-Press Fn+F2 to confirm whether the LCD screen has been turned

off.

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 application program

correctly? If they are installed and configured correctly, have the

computer serviced.

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 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.

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.

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Lenovo V560 Notebook User Manual Page 33

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