SONY AC-NB12A notebook battery can not be used!what the reasons? Sony DVDirect VRD-MC3 VRD-MC5 EVI-D70 EVI-D80P Vedio Camera

Recently, some laptops encountered such a thing: SONY AC-NB12A laptop battery can not be used, plug in the AC power, shows 0% available power has been connected not charging, has been unable to charge. SONY AC-NB12A Laptop For this, 0% of the available power is on Uncharged What to do? This is a helpless problem some may face.

what the reasons?

1, First check whether the SONY AC-NB12A laptop laptop battery settings disabled battery charging, and some other SONY AC-NB12A laptop battery management software also disable the charging function, we can check;
2,It may be because the SONY AC-NB12A battery put too long useless lead to poor contact, it is recommended to open the laptop clear gray, the power cord and the SONY AC-NB12A battery unplug, and then plug may also be able to solve.
3,If found no problem after the check, then most of the laptop win7/8/9/10 system battery internal control circuit or SONY AC-NB12A battery problems, you need to take over maintenance.
4, When some SONY AC-NB12A laptop batteries used for a long time, resulting in over discharge, 0% of the available power has been connected is not charging, take maintenance later, even if repaired will not long life, it is best to buy a new SONY AC-NB12A laptop battery.
5, The SONY AC-NB12A battery for a long time to place, do not use it, leading to SONY AC-NB12A battery over-discharge and cause damage to the battery, it is recommended to update the SONY AC-NB12A battery management driver to the latest version, replace the battery mode options and then recharge to try;
6, Change the power mode, still can not charge, can only be to SONY after-sales service station for repair.

PS: we need to pay attention to the purchase of new SONY laptop batteries, according to their own SONY AC-NB12A laptop brand model selection of compatible batteries, the best choice of original SONY AC-NB12A battery.