In 1993 HP introduced their first laptop. This laptop had enough battery power to last for a flight across the United States. This computer had minimal processing speed and could only be used for very simple tasks. HP laptops have come a long way since then, now able to perform multiple tasks at once, and operate--in some cases--like a home computer. A lot of the newer Pavilion laptops can be upgraded, much like a desktop computer. It takes a few minutes to open up your HP Pavilion laptop, and from there it's just like upgrading your desktop.
Lay your laptop on a flat surface that is free of dust. Dust and other tiny molecules can damage your laptop, especially if they get inside your computer.
Set your laptop upside down and remove the battery. The battery may be attached by a slider and should pull out.
Remove the hard drive and memory modules. These are covered by access panels on the exterior of your laptop, usually with a set of screws.
Remove all the screws from the back of your laptop. Your HP laptop will likely have many screws that need to be removed. For example, the HP Pavilion D600 has at least 20 screws that need to be removed.
Remove the power button cover. HP laptops have a power button cover that runs the length of the keyboard and lies underneath the LCD screen. Remove it gently by prying it up with a flathead screwdriver.
Lift up and remove the keyboard. The keyboard will be easy to remove once the power button cover is removed. The keyboard will need to be unplugged from the motherboard. You now have access to the interior components of your laptop.
Don't lose the screws for your laptop.