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Page Using Power Plans Using power plans A power plan is a collection of system settings that manages how the computer uses power. Power plans can help you conserve power or maximize performance. You can change power plan settings or create your own power plan. Viewing the current power plan Move the pointer over the battery meter icon in the notification area, at the far right of the taskbar. In the left pane, click Require a password on wakeup. Click Change Settings that are currently unavailable.
To reduce the risk of electric shock or damage to the equipment: Plug the power cord into an AC outlet that is easily accessible at all times. Disconnect power from the computer by unplugging the power cord from the AC outlet not by unplugging the power cord from the computer.
To test the AC adapter: Remove the battery from the computer. Page Using Battery Power Using 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. When the computer is plugged into external AC power, the computer runs on AC power. If the computer contains a charged battery and is running on external AC power supplied through the AC adapter, the computer switches to battery power if the AC adapter is disconnected from the computer.
Page Displaying The Remaining Battery Charge Displaying the remaining battery charge Move the pointer over the battery meter icon in the notification area, at the far right of the taskbar. To prevent loss of information, initiate Hibernation or shut down the computer through Windows before removing the battery. To insert the battery: Turn the computer upside down on a flat surface, with the battery bay toward you.
Do not charge the computer battery while you are onboard aircraft. The battery charges whenever the computer is plugged into external power through an AC adapter, an optional power adapter, an optional expansion product, or an optional docking device. The battery charges whether the computer is off or in use, but it charges faster when the computer is off.
Page Maximizing Battery Discharge Time Maximizing battery discharge time Battery discharge time varies depending on the features you use while on battery power. Maximum discharge time gradually shortens, as the battery storage capacity naturally degrades.
Page Managing Low Battery Levels Managing low battery levels The information in this section describes the alerts and system responses set at the factory. Some low- battery alerts and system responses can be changed using Power Options in Windows Control Panel. Preferences set using Power Options do not affect lights. Identifying low battery levels When a battery that is the sole power source for the computer reaches a low battery level, the battery light blinks.
It is also not necessary to calibrate a new battery. Page Step 3: Discharge The Battery Step 3: Discharge the battery The computer must remain on while the battery is being discharged. The battery can discharge whether or not you are using the computer, but the battery will discharge faster while you are using it.
Page Step 4: Fully Recharge The Battery Step 4: Fully recharge the battery To recharge the battery: Plug the computer into external power and maintain external power until the battery is fully recharged. When the battery is recharged, the battery light on the computer turns off.
You can use the computer while the battery is recharging, but the battery will charge faster if the computer is off. If a computer will be unused and unplugged from external power for more than 2 weeks, remove the battery and store it separately.
To reduce the risk of fire or burns, do not disassemble, crush, or puncture a battery; short the external contacts on a battery; or dispose of a battery in fire or water.
Page Replacing The Battery Replacing the battery 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. The Shut Down command closes all open programs, including the operating system, and then turns off the display and computer.
Page 32 Index AC adapter low battery level 16 connecting 7 testing 8 operating system 25 battery power calibrating 18 connecting 7 charging 14, 18 conserving 21 conserving power 21 discharging 15 disposing 23 shutdown 25 inserting 13 shutting down 25 low battery levels 16 Sleep recharging 20 exiting This manual is also suitable for:.
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