There is nothing wrong with your Internet. Do not attempt to adjust the picture. The reason you won’t be able to use Wikipedia, Reddit, or numerous other Web sites on January 18th is that these Web sites have decided to protest against the Stop Online Piracy Act (SOPA) and Protect IP Act (PIPA).
Here’s my current list of the most important sites that will be going dark or limiting their operations in protest of SOPA/PIPA.