Before spending any money, it's a good idea to make sure that you get the most out of your existing router. Wi-Fi is finicky, and it doesn't take much to disrupt those wireless signals, so if your ...

Position your router centrally and elevated for optimal Wi-Fi signal. Avoid placing your router near microwaves or other disruptive electronics.

FileVault encryption can dramatically slow older Macs without dedicated hardware, but disabling it may restore performance on ...