Information handling system keyboard support with rail guide structure assembly to a housing rail

An information handling system comprising:

• a housing having first and second housing portions rotationally coupled by a hinge, the first housing portion having first and second rails extending into an interior of the first housing portion from opposite sides of the first housing portion;
• a processor disposed in the first housing portion and operable to execute instructions that process information;
• a memory disposed in the first housing portion and interfaced with the processor, the memory storing the instructions and information;
• and
• a keyboard assembly having plural keys at an upper surface configured to accept end user key press inputs and having first and second guide structures at opposite sides aligned to engage with the first and second rails in a sliding engagement that couples the keyboard assembly to the first housing portion.