- Turn off the laptop completely.
 - Unplug it from the charger and other connected devices.
 - Place the laptop upside down and remove the battery.
 - After removing the battery, place the laptop back into the desired position, such as on a desk.
 - Plug in the charger as you normally would to charge.
 - Turn the computer on.
 - It should boot normally and run off the charger, without the battery.
 - Be careful not to unplug the charger because the laptop will not stay on, and data might be lost.
 - This will keep the battery fresh if you regularly use the laptop plugged in and on a desk.
 
01 March 2014
How to Use a Laptop Without a Battery
It's possible to use a modern laptop without the battery installed, almost like a desktop. This tutorial describes how to set up the laptop in this configuration.