One command clears the DNS cache on any system. Here is the exact command for every platform, what the cache actually is, and why clearing it fixes sites that will not load after a change.
Your home has at least two IP addresses working at once. One faces the internet, the others stay inside. Here is what each one does, why the ranges are what they are, and how to find both of yours.
The router IP is the address you type to reach the admin page. Here is how to read it on every platform in under a minute, plus the defaults for every major brand.
Full bars, connected, and nothing loads. The trick is finding out whether the fault is the device, the router or the provider before you change anything. Twelve fixes, in order.
Chrome says the site cannot be reached and shows DNS_PROBE_FINISHED_NXDOMAIN. Here is what the error actually means and the eight fixes, in the order that solves it fastest.
