2. It is also possible that the battery has been useless for too long, resulting in poor contact. It is suggested to open the notebook to clean the dust and unplug the power cord and battery, which may also solve the problem.
3. If there is nothing wrong with the check settings, most of them are problems with the battery internal control circuit or battery core of the notebook system and need to be repaired.
4. Some notebook batteries have been used for a long time and discharged excessively, and 0% of the available power supply has been turned on, and it has not been charged, so it will be repaired later. Even if they are repaired, their battery life will not be long. It is best to buy a new notebook battery and replace it.