1. Turn your Acer LX.T5905.140 laptop over.
2. Find the laptop battery release button lock for your Acer LX.T5905.140 laptop.
3. Now that your Acer LX.T5905.140 laptop battery is unlocked, find the battery release button down.
4. Holding the laptop battery release button, gently pull your battery away from the laptop.
5. Now that your Acer LX.T5905.140 battery is removed, grab your replacement Acer LX.T5905.140 battery for installation.
6. Insert the battery into the slot. Push the Acer LX.T5905.140 battery towards the laptop and secure it in place.