VAIO® Computer Quick Start
Why won’t my computer enter Standby or Hibernate mode?
Your computer may become unstable if the operating mode is changed before the computer completely enters Standby or Hibernate.
To restore the computer to normal operating stability:
1Close all open programs.
2Restart the computer. Follow these steps:
1Press the Windows key 
.
2Press U.
3Press R to select restart.
3If the computer does not restart, follow these steps:
1Press the Ctrl+Alt+Delete keys simultaneously. The Windows Task Manager window appears.
2Press and release Alt to highlight the menu bar, and press the Right Arrow 
key to select Shut Down.
3Press Enter.
4Press R to select restart.
4If this procedure does not work, press and hold the power button or slide and hold the power switch until the computer turns off.
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