Toshiba Qosmio X770-ST4N04 User Guide - Page 119
Monitoring battery power, Is unlit when the battery has discharged, the battery is
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Mobile Computing Monitoring battery power 119 To recharge the RTC battery, plug the computer into a live electrical outlet and leave the computer powered on for 24 hours. NOTE It is seldom necessary to charge the RTC battery because it charges while the computer is on. If the RTC battery is low, the real-time clock and calendar may display the incorrect time and date or stop working. When Hibernation mode is enabled and the RTC battery is completely discharged, a warning prompts you to reset the real-time clock. The computer can be used while the RTC battery is being charged, although the charging status of the RTC battery cannot be monitored. Monitoring battery power The computer's battery light gives you an indication of the battery's current charge. ❖ Glows amber while the battery is being charged (AC adaptor connected) ❖ Glows red when the battery is fully charged ❖ Is unlit when the battery has discharged, the battery is not charging, or the AC adaptor is not plugged into the computer or AC outlet NOTE Battery life and charge time may vary, depending upon power management settings, applications and features used. ❖ Flashes amber when the battery charge is low and it is time to recharge the battery or plug in the AC adaptor NOTE If the DC-IN light flashes amber during charging, either a battery pack is malfunctioning, or it is not receiving correct input from the AC power supply. Disconnect the AC power cord/cable and remove the battery pack. See "Changing the battery" on page 126 for information on replacing the battery.