How to determine the cause
Experts note that most of the problems with laptops occur with improper use. For example, some owners of such devices are almost never turn them off using the simple method of closing the cover. In this position, the system goes into sleep mode, but the laptop continues to work. Such actions may be the main cause affecting the operation of the battery indicator.
You first need to determine the source of the problem. If the laptop does not turn on, the screen is not functioning and there is no visible processes, it is likely the culprit in this case is the faulty battery. In that case, if the laptop turns on, works with the included charging but shuts off without her, the cause of the malfunction is the power supply.
If, upon inspection of the laptop you notice any damage – cracks in the cord, foreign objects in the sockets for the connectors, or problems with the device, the computer it is better to give to the center for diagnosis.
Carefully inspect the laptop. All connectors should be correctly and firmly inserted into the relevant slots. The cause of the fault can be not only in the notebook, but in the power outlet. That is why try to move the laptop to another room and turn it from a new power source.
Laptop battery may not charge due to a malfunction of the charger. The easiest way to identify this problem is replace the power supply. If from another device the laptop is running in normal mode, then simply purchase another charger.
A more serious problem is failure of the laptop. Not possessing special knowledge and skills, you will not be able to carry out repairs. Device better to take to check the service center or take advantage of any salon that provide such services.
What to do
To identify the malfunction of the laptop battery try to do a few tricks. First, discharge the device completely. This method is relevant only in case if the battery stopped charging to 100% and laptop and it works. After such a manipulation switch on the power supply and wait until charging process. If the battery indicator reached the desired level, then worry you about.
Some manufacturers put certain limitations on the performance indicators of the battery charge. The norm in this case can be considered not only 100%.
Please note that the majority of faults can be detected only on the basis of special diagnostics. If the power supply operates normally, then the cause of the breach charging of the battery may be internal damage to the connector, damage to the PCB or its combustion paths.
