I would set your adapter to a static IP
Open Network connections
Press the Windows Key + r
Copy and paste this
Right click on your adapter and select properties
Double click on Internet Protocol version 4 (TCP/IPv4)
Change your settings to
Default Gateway: 192.168.0.1
Use the following DNS server
Try using Googles DNS server
I live in Ontario Canada and I find that Googles DNS server works great here. You could also use your ISP's DNS server, To find that you will have to do a Google search for it.
Make sure your DHCP Client service is running...
Startup the Services window (Windows Key + r "services.msc"), then look for a line labeled "DHCP Client". Make sure that the Status column shows "Started" and the Startup Type column is "Automatic".
While your there check these ones too
Some general command line tips for trying to fix network problems
Network Location Awareness
Remote Procedure Call (RPC)
TCP/IP Netbios helper
Go to command Prompt (Admin)
Reset WINSOCK entries to installation defaults:
and after that
netsh winsock reset catalog
Reset IPv4 TCP/IP stack to installation defaults.
And last but hopefully last
netsh int ipv4 reset
Reset IPv6 TCP/IP stack to installation defaults
netsh int ipv6 reset
After a reboot and you still have no connection check this ---if you have a static IP check your internet protocol (TCP/IPv4). They may have changed to 0.0.0.0
Reboot the machine.