Goal and options: To hammer a nail,
output answer: use the blunt end of the hammer and swing it at the blunt end of the nail.

Goal and options: How can I detect hard to find nails embedded in wood?
output answer: A magnet can help hard to find nails embedded in wood.

Goal and options: To cast image of laptop using a projector
output answer:
Connect the laptop to the projector using a VGA cable.