Because you had the laptop and want to replace the cmos battery, so you open the laptop and check the model number on it, you will know which one it is. I add the link for "How to replace the CMOS battery in your laptop" even it is for the toshiba, but it will give you the idea. https://www.youtube.com/watch?v=MTg8qhWKNpA
Because you had the laptop and want to replace the cmos battery, so you open the laptop and check the model number on it, you will know which one it is. I add the link for "How to replace the CMOS battery in your laptop" even it is for the toshiba, but it will give you the idea. https://www.youtube.com/watch?v=MTg8qhWKNpA