ranjan8750
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lenovo l420 battery not charging how to problem solve
Technical Support lenovo l420
- Thread starter ranjan8750
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There may be a problem with the battery.
Measure the following to test.
Measure the positive pin voltage of the battery socket without the battery. For example, it is 5 volts.
Next, insert the battery. The positive pin of the battery should increase its voltage, for example, 10 volts.
This means recognizing the battery charging circuit and generating the charging voltage.
The data and clock path must also have 3.3 volts.
Measure the following to test.
Measure the positive pin voltage of the battery socket without the battery. For example, it is 5 volts.
Next, insert the battery. The positive pin of the battery should increase its voltage, for example, 10 volts.
This means recognizing the battery charging circuit and generating the charging voltage.
The data and clock path must also have 3.3 volts.
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