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Plugged in, not charging!

By Sami Mughal

So I have this new laptop at (my new) work.

I unplugged and re-plugged the charger, as you do, and discovered that the computer stated it was plugged, but was not charging.

Curious, I looked at my options/preferences, and found nothing.

Googled, and found a lot of people complaining about it. There was also a solution to it, http://jeffreypalermo.com/blog/plugged-in-not-charging-windows-7-solution/, which I was feeling a bit too lazy to try.

Talked to our IT guy, and he talked me through a few options but nothing seemed to sort it.

A bit of experimentation, and I figured that it charged when the battery was below 90%, but did not do that when it was above 90%.

And there it was. To me, it was a design feature.

And it makes perfect sense. By disabling the charging when the battery is 90% or above, it is avoiding unnecessary charge cycles. And that actually expands the battery life.

Apparently this is how Windows 7 rolls.

Has anybody else noticed this ? What is your take on it????

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