Is your Wi-Fi signal hiding from view and leaving whole rooms without any connectivity? Do gadgets with wheels of doom that buffer beg for mercy? Internet explorer, stop worrying! By extending your signal farther than ever before, the Linksys router's Multiple Extender Setup is here to be your Wi-Fi superhero. But before you start slathering extenders like tech-powered wallpaper on every wall, let's walk through the setup process together, step-by-step, human-to-human. Tools to Help You…