Not charging laptop battery

The Laptop as a stand-alone (portable) computer, equipped with a battery capable of repeated recharging, that is battery. It is required to have a high specific capacity and integrity. These requirements are currently best fit Li-ion batteries. Even in small devices such as cell phones, power consumption is rather high and the lithium batteries provide their energy for the long term.

When the laptop it is observed a constant balance between mains and battery power. This deals with a special driver, which is in any OS: Windows, Linux, etc. control of the charge level of the battery is conducted in various methods. There are reasons why an objective assessment of the status of chemical battery, in principle, impossible. Therefore, using several indirect methods. The easiest — measurement of the terminal voltage. A better method — counting the number of electricity, “gone” in the battery in coulombs or ampere-hours. Can be used a combination of these methods, plus a statistical algorithm that can be called “wear”. Manufacturers for their batteries set the coefficient, whose value gradually decreases over time. This is reflected in the charge.

If not charging the laptop battery, it does not mean that it is necessarily faulty. System, i.e., driver power supply, it may find that it is already charged, and will show the icon "100% complete". Unplug the computer from the network and work on battery until dead. When supervisors of food (special chips that monitor proper power to the CPU, etc.) will give a critical signal, the driver will record the full discharge of the battery, and then will prepare the system to unexpectedly shut down.

Switch the machine on again to the network, not starting the download. Look at the indicator located somewhere on the bezel of the laptop (near the power connector). If not charging the laptop battery, then you will not see the glow of the indicator. Usually when you deep discharge it glows a yellowish color. Remove the battery and inspect its appearance. Clean the contacts and make sure that the battery pack never swelled up and cracked. Insert it back and start again. If again Will not charge the battery on the laptop, it could be a circuit problem of a charge in the computer. For diagnostics try to take another battery or to put this another laptop. This process of elimination will tell you exactly why. Most likely, if is not charging the laptop battery, then it should not give the charge in the event of his failure.

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If the process has started, wait until you see the blue glow of the indicator. Then you will be able to start the car, not “Sapareva” power supply dual load — after all, the battery continues to charge. But now she is in charge and takes less current.

Look at the power monitor in the system. For Windows, Linux, GNOME or KDE, in General, any “Desktop”, there is a small icon with tooltip, which will show as: “the charge/run from network" and the percent completeness of the charge. If the notebook battery is not charging fully For a long time, let's say, 96%, then there may affect an intensive load on the computer.

This Usually happens when the laptop is used in several ways. For example, listen to music and play, and yet is downloading a film. And you notice that the processor buzzing, the disk heats up, the fans blow at full power. But maybe the cause is simple aging of the battery, and after some time it will need to be changed.

Thus, if is not charging the laptop battery, do not worry and spend a simple manipulation that was described above.