HP 6535b Power Management - Windows Vista - Page 17

Resolving a low battery level CAUTION: To reduce the risk of losing information when the computer reaches a critical battery level and has initiated Hibernation, do not restore power until the power lights turn off. Resolving a low battery level when external power is available ▲ Connect one of the following devices: ● AC adapter ● Optional expansion product or docking device ● Optional power adapter Resolving a low battery level when a charged battery is available 1. Turn off the computer or initiate Hibernation. 2. Remove the discharged battery, and then insert a charged battery. 3. Turn on the computer. Resolving a low battery level when no power source is available ▲ Initiate Hibernation. - or - Save your work and shut down the computer. Resolving a low battery level when the computer cannot exit Hibernation When the computer lacks sufficient power to exit Hibernation, follow these steps: 1. Insert a charged battery or plug the computer into external power. 2. Exit Hibernation by pressing the power button briefly. Calibrating a battery Calibrate a battery under the following conditions: ● When battery charge displays seem inaccurate ● When you observe a significant change in battery run time Even if a battery is heavily used, it should not need to be calibrated more than once a month. It is also not necessary to calibrate a new battery. Step 1: Fully charge the battery WARNING! Do not charge the computer battery while you are onboard aircraft. NOTE: The battery charges whether the computer is off or in use, but it charges faster when the computer is off. ENWW Calibrating a battery 11