In the following guide I explain how to remove and replace the keyboard on a Compaq Presario 2580US laptop.
Also, you can use this guide for replacing the memory modules and hard drive.
The replacement procedure is relatively simple and you can easily do it yourself at home. Proceed on your own risk!
Compaq Presario 2580US is similar to many other HP/Compaq models. The disassembly procedure should be the same (or almost the same) for the following models: