Most of us take having an always-on wireless internet connection for granted, so used are we to it just being there when we need it. Unless you're particularly unlucky and plagued by broadband problems, or live in a remote part of the country, fast access to the internet, allowing the streaming of audio and high-definition video is the norm. Things go wrong so infrequently that we're not used to having to fix them and so when something does go awry, it's tricky to know where to start.
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