If a Red Cross appears on the battery charging icon, the battery cannot be charged. You can check and handle it from the following five aspects:
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1. If the battery is not properly connected, reinstall the battery if it is powered on.
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2. If the circuit on the mainboard is abnormal, fully charge the battery and start the mainboard again
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3. Update the power management software
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4. Double click on the battery icon and uncheck the box \"Alert when my battery needs to be replaced\"
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5. Replace the spare battery and check whether the battery is damaged and cannot be charged