Troubleshooting Your Computer
To restore the computer to its normal operating stability
1Close all open programs.
2Restart 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.
3If the computer does not restart,
1Press Ctrl+Alt+Delete simultaneously. The Windows Task Manager window appears.
key
3Press Enter.
4Press 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.
❑ 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.
❑
❑ 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.
47