44 Charging the BatteryUsing Your ComputerCharging the BatteryConnect the power adapter to your computer or tablet to charge the battery.The battery is charged while the computer or tablet is in use or turned off.The internal circuitry of the battery prevents it from overcharging.NOTE: If the battery becomes too hot due to being in a hotenvironment, it may not charge when you connect the power adapter.Allow the battery to cool down for it to resume charging.NOTE: For steps on improving the battery life of your computer,see “Improving Battery Life”.Using your KeyboardPress the keys on your physical keyboard or tap the characters on theon‑screen keyboard to type text and to perform other functions.Keyboard ShortcutsSome keys on the laptop keyboard, and some external keyboards,may perform two or more functions when pressed along with otherspecial keys, such as . Some computers allow you to select the defaultbehavior of the key using BIOS setup program or using keyboard shortcuts. Open the Task Manager window. Toggle between display devices — maindisplay only, duplicate, extend to bothdisplays, and second display only.Highlight the desired icon to switch thedisplay to that option. and up‑arrow key Increase brightness on an integrateddisplay. and down‑arrow key Decrease brightness on the integrateddisplay only (not on an external display).
