A destroyed laptop keyboard is replaced with a new one.
The original keyboard was ruined when someone spilled cola on it. This caused the thin tracks on the keyboard membrane to corrode and fail.
The video shows dismantling the laptop, removing the old keyboard, installing a new keyboard and reassembling the laptop.
Laptop in the video is an Acer Aspire E1 series, model V5WE2, E1-572-74506G75Mnkk. UK model, with UK keyboard, manufactured August 2013.