Why Doesn't My Computer Enter Sleep Or Hibernate Mode - Sony VAIO VGN-FW300 Series User Manual

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 Lock 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.
4 If this procedure does not work, press and hold the power button until the computer turns off.
!
Turning off your computer with 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 resolve this problem, turn off your computer
and remove the battery pack. Then reinstall the battery pack to the computer again. For details, see Installing the
Battery Pack (page 21).
❑ If the problem persists after performing the above, it means the installed battery pack is not compatible. Remove the
battery pack and contact an authorized Sony Service Center. To find the nearest center or agent, see Sony Support
Information (page 173).
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Troubleshooting