Hi guyz wish u can help me,why laptop turn off even my battery is full charge,because when i want to use it by battery itself after windows ,it turns off,and i turn on again it dosent turn on but i test the battery gauge it its 100% charge,why is that happen?it happen only when im want it to use by battery.hope guyz u can help me
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Will the old battery (that you are replacing) charge up at all? If the old battery charges but the new battery will not, then it's likely a bad replacement battery.
To rule out the possibility of a corrupted battery meter inside of windows, you may wish to leave the laptop on battery power only, until it dies. A 5% charge will usually only grant you about 20 minutes of laptop life maximum. Since you left it charging all night, you should get a few hours of life before it dies. If you get a few hours of life, the battery meter software is corrupted.
Most likely though, the replacement battery is bad.
Is the voltage meter directly on the Battery?? What model Dell is it?? I have found that on the D800 models for some reason the connection from the power button to the Motherboard comes loose. You need to remove the Keyboard cover to check this.