Re: O.T. computer problem

Posted by MarkB_MI on October 29, 2006 at 06:30:19 from (198.208.251.23):

In Reply to: Re: O.T. computer problem posted by Bob N.Y. on October 28, 2006 at 14:57:07:

Hi Bob,

I originally tried to send you all the details, but ytmag wouldn't let me post. I guess it was too big.

I saw in your other request that your machine couldn't ping www.yahoo.com. OK, there are basically two things that can cause this problem: Either your PC can't do a DNS lookup to get the right IP address for www.yahoo.com, or else it can't route to the IP once it finds it.

Open up an MS/DOS Window. (Start->Programs->Accessories->Command Prompt). Type in "nslookup www.yahoo.com". The last two lines in the response should look something like this:

Name: www.yahoo.com
Address: 209.191.93.52

If nslookup says it can't find the name, call up your ISP, tell them that you have a "DNS lookup problem". (Use those exact words, so that they transfer you to someone who can actually fix the problem.)

OK, if nslookup gives you a good IP, then the next thing to do is to try to route to the address. I like to use the traceroute command (tracert on Windows). Type this into the command window:

tracert www.yahoo.com

You will slowly get a list of lines with addresses on them. These are the hops that your request is making to get to yahoo. You might see some lines that are just three stars ("* * *"). Those are hops that didn't answer. If you see one or two of these lines it's no big deal. If you get more than 3 or 4 in a row, you might as well stop the program with a "Ctrl-C", because your message isn't going any further.

OK, if the last hop you have (before all stars) ends in "yahoo.com", then you were able to route to yahoo and you should have no problem. However, if the last hop is something else, then you weren't able to route to yahoo. Not only that, you can see what the last hop was that you made, and your ISP should be able to use that information to fix the problem. Call up your ISP and tell them that you have a "routing problem". Again, you need to use those exact words, unless you want to spend the next hour talking to some dolt who can't actually fix your problem.

Good luck.

Replies:

• Re: O.T. computer problem Bob N.Y. 14:34:55 10/29/06 (1)
  • Re: O.T. computer problem MarkB_MI 18:32:58 10/29/06 (0)

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