Question about Dell Latitude E5500 Notebook

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Wireless connection keeps failing

Prelude:
Six days ago I received my new-to-me, certified refurbished from Dell Outlet computer. It is a Latitude 5500, running Windows XP Professional, with a Intel(R) WiFi Link 5300 AGN wireless card. My home uses a DSL internet connection, our provider is Qwest, we are using an Actiontec Wireless combination modem and router (B/G). I use Mozilla Firefox 3.5, however I also have IE8 and Google Chrome installed as well. I use AVG Free for anti-virus.

Problem:
Maintaining an internet connection! While my computer can hold the unsecured wireless connection from the neighbor's house (across the street and two doors down), it can't seem to keep the connection to the secured network eight feet away (no physical obstacles, no other wireless electronics nearby). So far I've tried the following (it's a long list, I know):

- Resetting the modem/router using the reset button.
- Rebooting the modem/router by removing all power sources for 15 minutes, and then rebooting every computer connected to the network.
- Repairing the wireless connection on the offending laptop (results in limited or no connectivity).
- Yes, I have the correct WEP key, yes the modem/router is enabling wireless, DCHP is on.
- Changing the channel from 9 to 6, to 1, to 11 in case there was somehow something infringing on the frequency.
- Making sure it's set to use Windows to connect.
- Making sure the WZC is running.
- I was able to determine I had a 169.* IP address, I tried running the following commands: IPconfig /All , Ipconfig /release , ipconfig /flushdns , ipconfig /renew , ipconfig . I tried using a static IP, didn't work, I went back to obtaining one automatically.
- Repaired TCP/IP stacks (netsh int ip reset reset.log, netsh winsock reset catalog, netsh int ip reset c: esetlog.txt).

This connection is security and firewall enabled, I would prefer not to have to alter either of these things, as I never needed to in the past with my previous laptop. I've contacted my ISP, their customer support is laughable.

Summary:
I'm at my wit's end. I get 15 seconds - 15 minutes of connectivity, then all of a sudden Firefox simply stops loading the page, and when I try to repair the connection that was working only moments before, it now reverts to "limited or no connectivity". If anyone has any other tricks, solutions, has had a similar problem and recall how it was fixed, I would be exceedingly grateful.

Many thanks!

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I have a similar problem with my Linksys G router. It is putting out a weird ip address through DHCP. While this does not fix the problem, setting up a static ip eliminates it for now. If I ever find out the cause, I will post it.

Posted on Jul 31, 2009

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I had the same thing happen with a linksys refurbished router, turned out the router would reset and or stop working after 20 minutes of use, returned it and got a NEW one and problem solved

Posted on Nov 18, 2009

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If other computers work ok on your wireless net consintrate on the computer giving you trouble.
Remove and reinstall on your computer the drivers for your wireless with that hardware in its diable condition.
Check the device manager when this happens.
see what is happening to the hardware,
Can you run the wireless software to see if the signal is there?
Diable the builtin wireless and try some PCMCIA card or a USB thumb stick
But install the software before the hardware

Posted on Jul 31, 2009

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