Sony VAIO VPCF12 Series - Manual (Page 127)

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Troubleshooting >
Computer Operations
Why doesn't my computer enter Sleep or Hibernate mode?
Your computer may become unstable if the operating mode is changed before the computer completely enters Sleep or
Hibernate mode.
To restore your computer to Normal mode
1 Close all open programs.
2 Click Start, the arrow next to the Shut down button, and Restart.
3 If your computer does not restart, press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and
Restart.
If the Windows Security window appears, click Restart.
4 If this procedure does not work, press and hold the power button until the computer turns off.
!
Turning off your computer with the Ctrl+Alt+Delete keys or the power button may cause loss of unsaved data.
What should I do if the charge indicator light is blinking fast and my computer does not
start?
❑ This problem could be due to the battery pack not being installed properly. To solve this problem, turn off your computer
and remove the battery pack. Then reinstall the battery pack to the computer. For details, see Installing/Removing the
Battery Pack
(page 20) .
❑ If the problem persists, it means the installed battery pack is not compatible. Remove the battery pack and contact an
authorized Sony service/support center. To find the nearest center or agent, see Finding More about Your VAIO
Computer
(page 5) .