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Solve : Cannot connect to internet from Vista laptop? |
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Answer» I have been having a problem to connect to internet at home from my recently purchased laptop, and would highly appreciate your advices/suggestions. Here is my situation: My new laptop is HP 550, intel core duo, 32-bit, Windows Vista Business, service pack 1. I am using a wired ADSL connection. I use TCP/IPv4, with “obtain an IP address automatically” setting. Because a fixed IP address is needed for my work, I use a free software CALLED NetSetMan to switch the IP address each time when I am in office or at home. For antivirus software, I use Avira AntiVir Premium. I did the initial setup at home, but at that time, there was no problem to connect to internet at home. Then, suddenly one day, I could not connect it to internet, so I started investigation. I use a standard LAN cable. This is not a problem with my cable or the provider because I have no problem to connect my old laptop (Windows XP) to internet. The TCP/IP setting is exactly the same in both computers. Even if I close the Avira AntiVir Premium completely (from Task Manager, I close the process, ETC.), still no internet connection is available so I think it’s also not a problem caused by my antivirus software. It says “Unidentified new work, Local only”. Afterwards, I tested the internet connection in office. In office, it is always no problem, so the computer itself is OK. I think it’s a problem connected with Windows Vista, maybe. Back at home, following my friend's suggestion, I disabled Windows Firewall. Then, the problem was solved. But, when I started the computer again, I could not connect to internet although the Windows Firewall was disabled. When I switch the IP setting to office configuration, and then back to home configuration by using NetSetMan, the internet connection is usually back, but only for about 5 seconds, then it cannot connect to internet again. Following advices I FOUND on internet, * I already disabled TCP/IPv6, but the problem is not solved. * I already did Device Manager => Network adapters => Intel(R) 82562GT 10/100 Network Connection => Properties => Power Management => Check off “Allow the computer to turn off this device to SAVE power.”, but the problem is not solved. * I also did this (http://support.microsoft.com/?scid=kb%3Ben-us%3B928233&x=11&y=13), but the problem is not solved. Here are some additional information * Even when the internet connection is impossible, it is possible to access other PCs in the network (local network can be accessed). * When I ping to www.google.com and www.yahoo.com, it shows IP address (DNS working?), but it times out because there is no reply coming. * When I do ipconfig /all, it shows 2 DNS servers, but the top one is 0.0.0.0. * When I access the ADSL modem, the physical address (MAC) is registered. I would infinitely appreciate your help. |
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