Lenovo V320 Manuale d'uso - Pagina 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.
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• 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