Sony PCG-V505DC2 Manual

Your computer isequipped with a battery that enables you to work without AC power for some time. For information on how
to extend the life of the battery, see 

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 When operating your computer on battery power, your computer's CPU speed is reduced. 

  

 The battery that comes with your computer is not fully charged at the time of purchase. 

  

 The brightness of your computer screen automatically dims when you switch from AC power to battery power. To

increase the brightness, press the Fn and F5 keys, and then press the Up Arrow 

or Right Arrow 

key.