2. Press the power button until the power indicator turns on. Turning on the Computer
If you hold the power button down, the computer turns off. 3. If the computer screen is too dark or too bright, follow these steps to adjust the brightness: ¡ To increase brightness, press the Fn key and tap the F6 key. ¡ To decrease brightness, press the Fn key and tap the F5 key.
Using the Battery
The supplied battery is not charged when you unpack it. To charge it for future use, install the battery, and then connect the AC adapter to power your computer. The battery charges from AC power regardless if the computer is on or off. For information on how to extend the life of the battery, see Conserving Battery Power.
Inserting a battery
To insert a battery 1. Push the battery bay cover down to open it. The battery bay cover swings out but does not detach from the computer.