You can add wall panels to hide cables and wiring: Accent panels. You could also add an accent wall using a wall panel behind the television or your desk. Bump it out an inch from the wall and run ...

You can use this same idea to hide cables the run to and from desks around the house ... surge protectors, gaming consoles, and other cord hubs out of sight. One option is to hide cord hubs ...

My computer cords were a jumbled mess. We have two power bars FULL of cords under our desk and they were all tangled and messy and an ugly eye sore. I did attempt to make a pretty cord box, but failed ...