Having problems with your Dell Latitude C640 Notebook ?

My laptop battery only charges to 70% now, but my fault really: i remember a popup window asked me whether i wanted this option, since it would prolong my battery life. without thinking, i agreed to this, but i realized it need it to charge 100% for when i take it to school. i have no idea where to undo this option.. any ideas? i check power saver options, etc. laptop is samsung r522


Answers :

Dear,
Everything has a life,such as Human ,You and me,so its life is short time.Battery has a life of period.It has a lithium cell ,some of cell damage.Change it.
Thanks ,Best luck .
Repair Help & Product Troubleshooting for Dell Latitude C640 Notebook

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My laptop battery only charges to 70% now, but my fault really: i remember a popup window asked me whether i wanted this option, since it would prolong my battery life. without thinking, i agreed to this, but i realized it need it to charge 100% for when i take it to school. i have no idea where to undo this option.. any ideas? i check power saver options, etc. laptop is samsung r522


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