Internet connection disconnects

295 pts.
Tags:
LAN
Network connectivity
My Internet connection disconnects. I checked my LAN settings in Network Settings , it shows status "Connected". But if i try connecting any website it shows The page cannot be displayed....... To attempt fixing network connectivity problems, click Tools, and then click "Diagnose Connection Problems........" This is very annoying. I have to disconnect my internet connection and re-connect to get it actually working. I am not able to find a solution of it.
ASKED: August 7, 2009  2:42 PM
UPDATED: September 28, 2010  10:44 AM

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This could be a few things:

1. DNS issues. Can you open a command prompt and try pinging the website of interest? For example: ping www.google.com. Do you get any results? If the name is resolved, then there could be a browser or firewall issue for HTTP traffic.

2. Open a command window and telnet to port 80 on the website of interest. Does it connect? If so, then there is a browser problem (proxy server configuration?).

3. Is there a firewall blocking HTTP traffic?

4. Does the computer have another browser (Firefox, Chrome) to try accessing the same website?

Discuss This Question: 2  Replies

 
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  • BlankReg
    For test 1 you could also try an nslookup command for the website, that will show if it is DNS issues. You don't specify if this is a wired lan, or if it is wireless. IF it is wireless then there are other things to check. If it is, then fix the channel used on the access point, this is a primary cause of the problem you describe on wireless. If wired, then replace the cat5 cable, a bad cable can also cause this problem.
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  • Pelvicthrust
    Interestingly enough I had a very similar issue recently. Our problem was caused by a user bringing in a laptop from home then connecting it to our network. The laptop then bought the 'home' ip address with it, which mimicked our proxy server. Thus all n/w computers could 'connect' to LAN but couldnt get through to the t'internet. Sad but true.
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