Unplug everything, wait 30 seconds then retry, make sure you have no block on your Wifi, if you didnt set one odds are you dont have one but you never know, let the battery on the lap top run dead then completely recharge
I was talking to my friend who works in valve, Half Life 3 will be released in late fall next year. ANDDD they are working on a new DoD:s :DDDDDDD they are bringing the British and Russians in :DF