Sony VAIO PCG-QR20 User Manual page 21

Using your notebook
3 Press the power button (2) of the computer until the power indicator (3) light turns on.
4 If necessary, press <Fn>+<F5> to adjust the brightness control on the LCD display. To increase the
brightness, use the up or right arrow keys. To decrease the brightness, use the down or left arrow keys.


If you press the power button for more than four seconds, the computer will turn off.
!
Keep magnetic objects away from your notebook. If they are close to your touchpad, your computer enters LCD/Video Standby or Hibernate mode,
assuming that the LCD display is off.
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