network security key

Good afternoon, I recently rebuilt my grandfathers pc, I have the pc hardwired with an ethernet cable. It will not however allow it to connect to the internet, it keeps asking for a network security key. We do not have a network, and it has never asked for this before when connected directly to...

So, I just purchased the Lenovo Y520 about a month ago, and absolutely love it. It's portable, cool, and light. However, I have one MAJOR gripe. It's something that a lot of reviewers complained about, but I didn't know it was this bad. That's the extremely tiny battery in the laptop. When I say...