Sony PCG-NV290 - Manual (Page 47)

Troubleshooting Your Computer
47
To restore the computer to its normal operating stability
1 Close all open programs.
2 Restart the computer. Follow these steps:
1 Press the Windows key .
2 Press U. The Turn off computer window opens.
3 Press R to select restart.
3 If the computer does not restart,
1 Press Ctrl+Alt+Delete simultaneously. The Windows Task Manager
window appears.
2 Press Alt to highlight the menu bar, and press the Right Arrow key
to select Shut Down.
3 Press Enter.
4 Press R to select restart.
4 If this procedure does not work, press and hold the power button for four
seconds or longer to turn off the computer.
Troubleshooting the LCD Screen
Why did the computer (LCD) screen go blank?
❑ Your computer screen may go blank if the computer has lost power or is in a
power saving mode (Standby or Hibernate).
❑ Make sure the computer is plugged into a power source and is turned on.
The power indicator turns on if the computer is on.
❑ Make sure the battery is inserted properly and is charged.
❑ If the computer is in LCD (Video) Standby mode, press any key to
activate the computer screen.
❑ If the display mode is set to external display (such as TV), press and hold the
Fn key while you press F7 several times.