open your cmmand prompt, as in windows..
run>cmd.
At the prompt, enter ping tradtalk.com.
It should connect and return pings.
If not, will give you an error message.
This will tell you if it is a basic IP connection prblem or a browser problem.
Should look like this''
C:\Users\Bill>ping tradtalk.com
Pinging tradtalk.com [209.99.52.69] with 32 bytes of data:
Reply from 209.99.52.69: bytes=32 time=113ms TTL=43
Reply from 209.99.52.69: bytes=32 time=111ms TTL=43
Reply from 209.99.52.69: bytes=32 time=150ms TTL=43
Reply from 209.99.52.69: bytes=32 time=149ms TTL=43
Ping statistics for 209.99.52.69:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 111ms, Maximum = 150ms, Average = 130ms
C:\Users\Bill>