If you have narrowed down the cause of your laptop's problems to the battery, this guide will explain how to remove and replace your battery to restore normal function to your device. Replacing the battery is very simple.
Place the laptop on a flat surface with the Dell logo upside down.
Flip the laptop over. The battery will be in the top center.
Slide the lock on the right side of the battery to the right to the unlocked position.
Slide and hold the lock on the left side of the battery to the left with one hand.
With the other hand, push upwards on the grip on the bottom of the battery to remove it.