19. When troubleshooting a desktop motherboard, you discover the network port no longer works. What is the best and least expensive solution to this problem? If this solution does not work, which solution should you try next?

Disable the network port and install a network card in an expansion slot.

Explanation:

The best and least expensive solution will be to disable the network port, once that is done, you install a network card in the card expansion slot.

This way you can still connect wireless devices to your computer and the network issue will be solved.