Satellite M40 does not seem to charge the battery beyond a certain level

Just a brief explanation of my work.

I make repairs pc and laptop, replacement of jack, BGA/brazing repairs etc.;
However computer have always baffled me. I have a Toshiba M40, although I know that this problem is not specific to this model.

The laptop does not charge the battery beyond a certain level at the moment its impasse on 41%, it says loading in windows but do not go anywhere.
I saw other portable that stick onto the other percentages 99%, 70% etc.

I tried to completely discharge the battery (on windows) and reload (for Windows), and also tried to unload and reload not in o/s, if anything they seem to have made things worse as initially the issue of charge level was approximately 50% and more.

By mistake the laptop wasn't for awhile so the battery flat, which probably did not help as I understand its best to store 40% battery when not in use.

Any ideas what the problem is and if theres any way to revive this battery?

Hello

In my opinion, the problem is related to the breakdown of battery.
I'm don't know how old your battery is but eventually should be replaced.
After a long period of use, the battery loses the own performance and must be replaced.
This is nothing unusual and often to used batteries.

Welcome them

Tags: Toshiba

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