Trouble Connecting to internet

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Magicman10893

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Sep 3, 2011
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My father recently got an old Dell Optiplex 740 desktop and has it connected with a wireless network adapter. His connection has been fine for the last few days, but today it has been giving us a lot of trouble. His web browsers won't connect to the internet despite his network reading "very good connection." I have tried using both Firefox and Internet Explorer and get the same results. Both browsers say they can't connect to the web server, despite what website I try to connect with.

The network itself is fine, I can connect just fine with my laptop (wireless) and another desktop (wired).

Trying to troubleshoot the problem myself, I found an extremely temporary fix. If I right click on the network icon and select "repair", I can connect to the internet, but his homepage (xfinity.comcast.net) will not load, but he can access his favorites just fine, and after that he can click the home button and comcast.net will load. If he closes the browser and reopens it, however, the problem persists and he can no longer load any websites.

His computer runs Windows XP (I am not sure which SP he has, but I imagine it would be SP3). His anti-virus is Norton (provided through Comcast). I already tried checking his firewall permissions and Firefox is permitted. I can't remember the exact wireless network adapter off hand, but I know it's a Netgear.
 

TerryNet

Terry
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Joined
Mar 23, 2005
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Make sure it's service pack 3.

Make sure the wireless driver is the latest from Netgear's web site.

Is this a fresh install, or one with untold amounts of old garbage?

Please attach a screen shot of the Networks page (don't collapse the Radar, Connection or Signal History) of the Xirrus Wi-Fi Inspector. If you need help with that see TSG Posting a Screenshot. FWIW to take screen shots with Windows 7 or Vista I prefer to use the built-in Snipping Tool.

Also show ...

Open a (black) Command Prompt window:
Hold the Windows logo key and press r; in the Run box type cmd and click on OK.

Type the following command:

IPCONFIG /ALL

[Note that there is no space between the slash and ALL.]

Right click in the command window and choose Select All, then hit Enter.
Paste the results in a message here.

If necessary use a text file and removable media to copy the results to a computer with internet access.
 
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