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Troubleshooting
What should I do if a message window, notifying of incompatibility or improper installation
of the battery pack, appears and my computer enters Hibernate mode?
❑ This symptom could be due to the battery pack not being installed properly. To resolve this symptom, turn off your
computer and remove the battery pack. Then install the battery pack to the computer again. For details, see Installing
the Battery Pack (page 22).
❑ If the symptom 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 171).
Why does the System Properties window display a slower CPU speed than the
maximum?
This is normal. Because your computer's CPU utilizes a type of CPU speed controlling technology for power conservation
purposes, System Properties may display the CPU's current speed instead of the maximum speed.
What should I do if Windows does not start, showing a message, when I start my
computer?
If you enter a wrong power-on password three times consecutively, the Enter Onetime Password message appears. If you
enter a wrong power-on password three times consecutively again, the System Disabled message appears and Windows
will not start. Press and hold the power button for more than four seconds to check that the power indicator goes off. Wait for
10 or 15 seconds, then restart your computer and enter the correct password. When entering the password, check that the
Num lock indicator and Caps lock indicator are off. If any are lit, press the Num Lk key or the Caps Lock key to turn off the
indicator before entering the password.