Common Windows network commands
Some procedural guide to solve network problem at home.
1. Check the network configuration. (Windows command: ipconfig /all |more)
It may show your network card is down, then check the connection.
If it cannot get an IP address, the DHCP server may down.
2. Check the connection between your computer and "Gateway"
(Windows Command: ping <Ip of gateway>)
If it fails, your "gateway", usually your router at home, may be down. Try to reboot it.
3. using nslookup to check the DNS/IP conversion.
If it fails, the DNS server may down,