Computer DIY: Faulty Keyboard replacement on HP Pavilion dv6 3000 series

Sometimes, laptop keyboard may become faulty and stop working. Due to prolong use, they may wear out. And we may have to look out for a spare replacement keyboard to replace it. But before replacing the keyboard, investigate if it is a minor issues that can be resolved. But if the keyboard is indeed faulty, then it would need to be replaced. In that case, find a replacement keyboard