Assessments - 3, GPA: 3.3 ( )

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C640 series C650 series System indicator lights AC power light ON/OFF light (Sample Illustration) Power and battery light locations Determining remaining battery power NOTE Wait a few moments after turning on the computer before trying to monitor the remaining battery power. The computer needs this time to check the battery’s remaining capacity and perform its calculations. Move the pointer over the power icon in the notification area, see “Finding your way around the desktop” on page 130 for more information on the notification area. A pop-up message displays the remaining battery power as a percentage. With repeated discharges and recharges, the battery’s capacity gradually decreases. A frequently used older battery does not power the computer for as long as a new battery, even when both are fully charged. Mobile Computing Mobile Computing Monitoring main battery power TECHNICAL NOTE: The computer drains the battery faster at low temperatures. Check your remaining charge frequently if you are working in temperatures below 50 degrees Fahrenheit. The computer calculates the remaining battery charge based on your current rate of power use and other factors such as the age of the battery. What to do when the main battery runs low When the main battery runs low you can: . Plug the computer into an external power source and recharge the main battery . Place the computer into Hibernation mode and replace the main battery with a charged spare (not included with your computer) . Save your work and turn off the computer If you do not manage to do any of these things before the main battery completely runs out of power, the computer automatically enters Hibernation mode and turns itself off. Hibernation mode keeps track of where you were, so that when you turn on the power again, you can continue where you left off. If you have Hibernation mode enabled (the default), the computer copies the details of your open programs and files to the internal storage drive before shutting down. For more information on using Hibernation, see “Hibernation mode” on page 84. Setting battery notifications You can set two notifications. Each notification can be set to alert you when a specified percentage of remaining battery power has been reached. You can also set the computer to enter Sleep mode or Hibernation mode or to completely power down when the notification goes off. To change the default notification settings: 1 Click Start, Control Panel, System and Security, and then Power Options. The Power Options window appears. 2 Click Change plan settings under the power plan to be customized. The Edit Plan Settings window appears. Mobile Computing Mobile Computing Monitoring main battery power 3 Click Change advanced power settings. The Advanced settings tab of the Power Options window appears. 4 Double-click Battery to display the battery option...

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