Using your notebook
Starting your computer
Sony Notebook User Guide
n N 25 
Starting your computer
1 Slide the LCD lock lever in the direction of the arrow, and lift the cover.
LCD lock lever
If you press the power button for more than four seconds, the computer will turn off.
2 Press the power button of the computer until the green power indicator light turns on.
Power indicator | Power button |
3 If necessary, adjust the brightness controls for the LCD display with <Fn>+<F5>. To increase the brightness, use the up or right arrow key. To decrease, use the down or left arrow key.