[. . . ] User Guide © Copyright 2013 Hewlett-Packard Development Company, L. P. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. [. . . ] For example, if a monitor is connected to the computer, pressing this key alternates the screen image from the computer display to the monitor display to a simultaneous display on both the computer and the monitor. On select models, turns the radiance backlight keyboard feature off or on. NOTE: To conserve battery power, turn off this feature. f5 f6 Mutes or restores speaker sound. f7 Decreases speaker volume incrementally as long as you hold down the key. f8 Increases speaker volume incrementally as long as you hold down the key. f9 Plays the previous track of an audio CD or the previous section of a DVD or a BD. f10 Begins, pauses, or resumes playback of an audio CD, a DVD, or a BD. f11 Plays the next track of an audio CD or the next section of a DVD or a BD. f12 Turns the wireless feature on or off. NOTE: A wireless network must be set up before a wireless connection is possible. Using Microsoft Windows 8 shortcut keys Microsoft Windows 8 provides shortcuts to perform actions quickly. Press the Windows key combination with a designated key in the table to perform the action. Shortcut key Key Description in Returns you to the Start screen from an open app or the Windows desktop. NOTE: Pressing the key again returns you to the previous screen. 38 Chapter 5 Navigating the screen Shortcut key + Key Description c Reveals the charms. + d Opens the Windows desktop. + o Turns Autorotate on or off. + q Opens the All Apps screen. + tab Switches between open apps. NOTE: Continue to press this key combination until the app you want is revealed. alt + f4 Closes an active app. For additional information on Windows 8 shortcut keys, go to Help and Support. From the Start screen, type h, and then select Help and Support. Using the hot keys A hot key is a combination of the fn key and the esc key, or the spacebar. To use a hot key: ▲ Briefly press the fn key, and then briefly press the second key of the combination. Hot key fn+esc Description Reveals information about system hardware components and the system BIOS version number. Function Reveals system information. Using the integrated numeric keypad The computer includes an integrated numeric keypad, and it also supports an optional external numeric keypad or an optional external keyboard that includes a numeric keypad. Component num lock key Description Controls the function of the integrated numeric keypad. Press the key to alternate between the standard numeric function found on an external keypad (this function is turned on at the factory) and the navigational function (indicated by the directional arrows on the keys). NOTE: The keypad function that is active when the computer is turned off is reinstated when the computer is turned back on. Integrated numeric keypad Set at the factory to function like an external numeric keypad. To alternate between this numeric function and the navigational function (indicated by the directional arrows on the keys), press the num lock key. Using the keyboard and mouse 39 6 Managing power Your computer can operate on either battery power or external power. When the computer is running on battery power only and an AC power source is not available to charge the battery, it is important to monitor and conserve the battery charge. Your computer supports an optimal power plan to manage how your computer uses and conserves power so that computer performance is balanced with power conservation. Initiating Sleep and Hibernation Microsoft® Windows has two power-saving states, Sleep and Hibernation. ● Sleep—The Sleep state is automatically initiated after a period of inactivity when running on battery power or on external power. Your work is saved to memory, allowing you to resume your work very quickly. For more information, see Manually initiating and exiting Sleep on page 41. Hibernation—The Hibernation state is automatically initiated if the battery reaches a critical level. In the Hibernation state, your work is saved to a hibernation file and the computer powers down. See Manually initiating and exiting Sleep on page 41 and Manually initiating and exiting Hibernation (select models only) on page 41. CAUTION: To reduce the risk of possible audio and video degradation, loss of audio or video playback functionality, or loss of information, do not initiate Sleep while reading from or writing to a disc or an external media card. [. . . ] This type of recovery can only be used if the hard drive is still working. 74 Chapter 11 Backing up, restoring, and recovering To start HP Recovery Manager from the HP Recovery partition: 1. Select Recovery Manager, and follow the on-screen instructions. Using HP Recovery media to recover You can use HP Recovery media to recover the original system. This method can be used if your system does not have an HP Recovery partition or if the hard drive is not working properly. Insert the first HP Recovery disc you created into the optical drive on your computer or into an optional external optical drive, and then restart the computer. [. . . ]