[. . . ] 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. HP shall not be liable for technical or editorial errors or omissions contained herein. [. . . ] Using the power meter and power settings The power meter is located on the Windows desktop. The power meter allows you to quickly access power settings and view the remaining battery charge. — ● To display the percentage of remaining battery charge and the current power plan, on the Windows Desktop point to the Power Meter icon. To use Power Options, or to change the power plan, click the power meter icon and select an item from the list. From the Start screen, you can also type power, select Settings, and then select Power Options. Different power meter icons indicate whether the computer is running on battery or external power. The icon also displays a message if the battery has reached a low or critical battery level. Selecting a power plan A power plan manages how the computer uses power and helps you conserve power and maximize performance. To change the power plan, from the Start screen, type power, select Settings, and then select Power Options. The following power plans are available: ● ● ● HP Recommended (recommended). Saves power by reducing system performance and screen brightness where possible. Your battery will not last as long between charges using this power plan. You can also create your own power plan and customize it to how you use the computer for your needs. To use Power Options, from the Start screen, type power, select Settings, and then select Power Options. Running on battery power When a charged battery is in the computer and the computer is not plugged into external power, the computer runs on battery power. If the computer has a charged battery installed and the AC adapter is disconnected from the computer, 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. 36 Chapter 6 Managing power 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. 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. [. . . ] Changing the computer boot order If computer does not restart in HP Recovery Manager, you can change the computer boot order, which is the order of devices listed in BIOS where the computer looks for startup information. You can change the selection for an optical drive or a USB flash drive. Press and hold esc while the computer is restarting, and then press f9 for boot options. Removing the HP Recovery partition HP Recovery Manager software allows you to remove the HP Recovery partition to free up hard drive space. [. . . ]