b| open/disassemble the laptop's keyboard from the unit and clean it out of debris.If they are working here, it might be a hardware problem on your laptop keyboard.So your laptop keys stick for one reason or another. A lot of people also mention the scroll lock key on the keyboard. When I press b or 5 it displays 'b5' rather than just 'b' or just '5'. This may not necessarily fix any deep-seated issues with your keyboard keys, but it’ll help if debris and dirt are preventing the keyboard keys from working.We often eat drink and constantly outdoor making the laptop vulnerable to particles lodging underneath the keys and this can be easily rectified by cleaning the keyboard with a mild brush, air spray dust remover or USB vacuum cleaner. How to fix keyboard keys on hp laptop We also have a video tutorial guide on how to fix your laptop key for you to watch above.