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The computer must be plugged in in order to work.
Sorry, there was a problem. Please try again later.Thank you for the question. Yes. The battery powers a chip called the Real Time Clock (RTC) chip. The RTC is essentially a watch that runs all the time, whether or not the computer has power. The battery powers this clock. When the computer boots up, part of the process is to query the RTC to get the correct time and date.
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