said by R2:Does anyone know why this is happening?
Without more information, who can know. Run 'ipconfig -all' at a command prompt. Look for the active network adapter; should look like this:
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . : aosake.net
Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
Physical Address. . . . . . . . . : D4-BE-D9-3F-82-EB
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2602:24a:de40:7d90:5d0f:704b:98b7:ff56(Preferred)
Temporary IPv6 Address. . . . . . : 2602:24a:de40:7d90:49ab:f989:2f17:ed49(Preferred)
Link-local IPv6 Address . . . . . : fe80::5d0f:704b:98b7:ff56%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.102.41(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Wednesday, August 13, 2014 114004
Lease Expires . . . . . . . . . . : Sunday, August 17, 2014 162148
Default Gateway . . . . . . . . . : fe80::62a4:4cff:fedc:9198%11
192.168.102.1
DHCP Server . . . . . . . . . . . : 192.168.102.1
DHCPv6 IAID . . . . . . . . . . . : 248823513
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-89-27-65-D4-BE-D9-3F-82-EB
DNS Servers . . . . . . . . . . . : 2602:24a:de40:7d90::1
192.168.102.1
Primary WINS Server . . . . . . . : 192.168.102.1
NetBIOS over Tcpip. . . . . . . . : Enabled
Connection-specific DNS Suffix Search List : aosake.net
It will have some things different, based on your router configuration. Look for the "DNS Servers:" list. These will be one of:
• The router, if it is acting as a DNS relay.
• Whichever DNS servers are configured on the router.
• Whichever DNS servers are configured in Windows "Network Properties" if manually configured.