Sony VAIO PCG-GRS630 series Quick Start Manual page 28

Turning On Your Computer
Opening the Computer
R_lea_e latch
2 Press the power button until the green power indicator lights up.
Turning on the Computer
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3 tf necessary, adjust the brightness controls for the LCD display as follows:
To increase brightness, press the Fn+F5 keys, and then press the Up
Arrow key t" or Right Arrow key _.
To decrease brightness, press the Fn+F5 keys, and then press the Down
Arrow key 4, or Left Arrow key <- .