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Posted on Jun 02, 2011
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WHEN I HAVE MY LAPTOP PLUGGED IN IT CHARGES BATTERY TO 40% THEN STOPS WHY'S THIS

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Hi Tina,

Your battery needs a calibration, follow the instruction below to calibrate the battery.

  1. With Windows Vista, navigate to Control Panel > Performance and Maintenance > Power Options
  2. Click "Change Plan Settings".
  3. Set all tabs to "Never" underneath "On Battery" column.
  4. Click "Change advanced power settings".
  5. Set Sleep > Hibernate after to 0 or Never.
  6. Set Battery > Critical Battery Level to 0.
  7. Click on "OK", then "Save Changes".

This is the only time that we recommend taking the battery all the way down to zero percent. Unplug the ac adapter, and let the battery drain all the way down until the laptop shuts off. Then plug the AC adapter back in, and let it recharge to 100% or where it actually reaches. You may need to repeat the cycle 2-3 times before it actually reaches 100%.

Note: After the calibration is done, change the power options settings back to what it was as they will help you save power. Also, when a power source is available dont run the laptop on battery, it will increase the battery life.

Regards,
Shrey

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