Assuming this is the Windows 7 PC you posted about back in 2013.
Start, All Programs, Accessories, right click on Command Prompt and Run as Administrator, Yes. Then type:
ipconfig /all
and hit Enter.
You will get something like:
Windows IP Configuration
Host Name . . . . . . . . . . . . : OneGuy
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : myhome.westell.com
Ethernet adapter Local Area Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : 60-EB-69-F4-88-AD
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Wireless LAN adapter Wireless Network Connection:
Connection-specific DNS Suffix . : myhome.westell.com
Description . . . . . . . . . . . : 802.11n Wireless LAN Card
Physical Address. . . . . . . . . : 68-A3-C4-59-74-34
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 192.168.11.44(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Friday, May 09, 2014 7:24:36 AM
Lease Expires . . . . . . . . . . : Saturday, May 10, 2014 7:24:38 AM
Default Gateway . . . . . . . . . : 192.168.11.1
DHCP Server . . . . . . . . . . . : 192.168.11.1
DNS Servers . . . . . . . . . . . : 8.8.8.8
4.2.2.1
NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter isatap.myhome.westell.com:
...
and so on.
Report your:
Default Gateway
and
DNS Servers.
In the same Command Window, try to ping the default gateway address. Usually it's something like 192.168.0.1 but yours may be different so change the next command to fit your PC:
ping 192.168.0.1
You should get something like:
C:\Windows\system32>ping 192.168.0.1
Pinging 192.168.0.1 with 32 bytes of data:
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Ping statistics for 192.168.0.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 1ms, Maximum = 1ms, Average = 1ms
Do you or does it time out?
If it doesn't time out then try:
tracert -d 8.8.8.8
This should give you something like:
Tracing route to 8.8.8.8 over a maximum of 30 hops
1 1 ms 1 ms 1 ms 192.168.0.1
2 15 ms 16 ms 15 ms 207.118.91.1
3 14 ms 14 ms 17 ms 208.110.248.153
4 * * * Request timed out.
5 50 ms 15 ms 14 ms 67.14.41.70
6 103 ms 105 ms * 65.116.65.210
7 15 ms 15 ms 15 ms 209.85.249.32
8 17 ms 16 ms 16 ms 66.249.94.199
9 24 ms 23 ms 27 ms 72.14.239.12
10 23 ms 23 ms 23 ms 72.14.233.140
11 * * 23 ms 216.239.48.167
12 22 ms 23 ms 23 ms 8.8.8.8
Report the last line you get that is not all stars.