Laptop battery not charging

acer aspire one d257 battery not charging

A few days before the blackout, electricity exhausted forget rushed electricity, hp elitebook 8540p battery power is not necessary to open the pull down and then plug in the power cord to boot, a little electricity or charge does not go. Plug in the acer aspire 5742z battery display items is unknown why the battery can not be charged.

There are three reasons, bad battery, power adapter problems, laptop motherboard power supply module failure. First rule about fault source, unplug the lenovo t410 battery, use only the power adapter boot, if the normal power supply is a power adapter and motherboard indicates there is no problem, if the fault persists it may be the power adapter or motherboard problem, this time, try to use battery power If the battery and power supply is equipped with all the same reasons will not boot up, it may be laptop motherboard problem.

Laptop battery for too long, or left idle for too long the situation will be unable to charge, no good way to change the battery bar. Many built-in laptop dell c1295 battery controller chip, sometimes collide, or low temperature can also cause damage to the battery.

As shown below:
Battery has been due to excessive discharge into hibernation, lower than 3v lithium acer aspire 5517 battery will go to sleep around, and now the voltage 2.75v (8.26v / 3) has been less than 3v low voltage limits. In the absence of professional equipment case, only try the following two methods:

1 Connect the power, take a day or so (can not boot open), to see whether the self-activated.
2 battery out, the asus a32-f3 battery on the back has a button and a few LED lights, click the button or press and three seconds (to try it), see if you can activate.

Power adapter fault currents may be unstable, and plug the power supply when the instantaneous voltage current damaged adapter.

Motherboard failure with power failure similar to, but more is caused by the accumulation of dust inside the notebook cooling heat caused by bad components open welding and so on.

Exclusion is a power adapter or motherboard failure most effective way is to use replacement parts do not detect, it is recommended to detect Repairs Centre do what is good, generally exclude this fault detection are free.