Some of the most common laptop parts that fail or need replacement include batteries, screens, keyboards, hard drives, and motherboards.

There are a few ways to tell if a laptop part has failed. One way is to look for physical damage, such as cracks or dents. Another way is to listen for unusual noises, such as beeping or clicking. Finally, you can also check for software issues, such as error messages or freezing.

Replacing a laptop part can be a challenging task, but it is possible to do it yourself with the right tools and instructions. There are many online tutorials and articles that can guide you through the process.

There are many places where you can find high-quality laptop parts. One option is to buy them from the manufacturer of your laptop. Another option is to buy them from a reputable online retailer. Finally, you can also buy them from a local computer repair shop.