User manual HP ENVY TOUCHSMART 15-J009WM

[. . . ] Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. The information contained herein is subject to change without notice. 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. [. . . ] If the computer has a charged battery installed and the AC adapter is disconnected from the computer, the computer automatically switches to battery power and the display brightness decreases to conserve battery life. The battery in the computer slowly discharges when the computer is off and unplugged from external power. Computer battery life varies, depending on power management settings, programs running on the computer, display brightness, external devices connected to the computer, and other factors. removing a user-replaceable battery WARNING!To reduce potential safety issues, use only the user-replaceable battery provided with the computer, a replacement battery provided by HP, or a compatible battery purchased from HP. Using the power meter and power settings 43 CAUTION: Removing a user-replaceable battery that is the sole power source for the computer can cause loss of information. To prevent loss of information, save your work or shut down the computer through Windows before removing the battery. Turn the computer upside down on a flat surface. Slide the battery release latch (1) to release the battery. NOTE: The battery release latch automatically returns to its original position. Pivot the battery (2) upward and remove it from the computer. Finding battery information To monitor the status of your battery, or if the battery is no longer holding a charge, run Battery Check in HP Support Assistant. To access battery information, from the Start screen, type support, select the HP Support Assistant app, and then select Battery and performance. HP Support Assistant provides the following tools and information about the battery: ● ● Battery test Information on battery types, specifications, life cycles, and capacity Conserving battery power Tips for conserving battery power and maximizing battery life: ● ● ● ● ● ● ● Lower the brightness on the display. select the Power saver setting in Power Options. Remove a user-replaceable battery from the computer when it is not being used or charged. Turn off wireless when you are not using them. Disconnect unused external devices that are not plugged into an external power source, such as an external hard drive connected to a USB port. Stop, disable, or remove any external media cards that you are not using. Before you leave your work, initiate Sleep or shut down the computer. Identifying low battery levels When a battery that is the sole power source for the computer reaches a low or critical battery level, the following behavior occurs: ● The battery light (select models only) indicates a low or critical battery level. 44 Chapter 6 Managing power – or – ● The power meter icon on the Windows desktop shows a low or critical battery notification. [. . . ] Press and hold esc while the computer is restarting, and then press f9 for boot options. Select the optical drive or USB flash drive you want to boot from. Removing the HP Recovery partition HP Recovery Manager software allows you to remove the HP Recovery partition to free up hard drive space. IMPORTANT: Removing the HP Recovery partition means you can no longer use Windows Refresh, the Windows Remove everything and reinstall Windows option, or the HP Recovery Manager option for minimized image recovery. [. . . ]