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Links, including some videos on how to work on that laptop:

https://www.google.com/webhp?hl=en&sa=X&ved=0ahUKEwjVzNnsgu3RAhWrxFQKHeTSDH8QPAgD#hl=en&q=how+to+replace+battery+Samsung+QX410-S02+

Post the model number of the laptop. (Any data on the manufacturer's label would be helpful.)

Note: If that is your only computer, and you use it every day and would hate to be without it, and...