Lenovo V320 Manuel de l'utilisateur - Page 28

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Chapter 4. Troubleshooting

Troubleshooting

Display problems

When I turn on the

computer, nothing appears

on the screen.

When I turn on the

computer, only a white

cursor appears on a blank

screen.

The screen goes blank

while the computer is on.

Sleep problems

The critical low-battery

error message appears,

and the computer

immediately turns off.

The computer enters sleep

mode immediately after

Power-on.

Note: If the battery is charged and the temperature is within range, have the computer

serviced.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

• If the screen is blank, make sure that:

- The AC power adapter is connected to the

computer, and the power cord is plugged into a

working electrical outlet.

- The computer power is on. Press the Power button

again for confirmation.

• If these items are set correctly, and the screen remains

blank, have the computer serviced.

• Restore backed-up files to your Windows

environment or the entire contents of your hard disk

to its original factory contents using the Push-button

reset. If you still see only the cursor on the screen,

have the computer serviced.

• Your power management is enabled. Do one of the

following to resume from sleep mode:

- Press any key on the keyboard.

- Press F9 (

the LCD screen has been turned off.

• The battery power is getting low. Connect the AC

power adapter to the computer.

• Make sure that:

- The battery is charged.

- The operating temperature is within the acceptable

range. See "Chapter 2. Use and care Information" in

the Lenovo Safety and General Information Guide.

) to confirm whether the backlight of