![]() I've had it go twice in 20 minutes when just randomly browsing the web with no other traffic, and I've also had it go once then not go again for 2-3 hours with the same sort of usage. There does not seem to be any particular sequence of events that cause it to happen either. Suggestions of turning off IPv6 on the LAN adapter, and ensuring there's no power management "sleeping" the network adapter have been tried but do not cure the problem. Why does this happen in the first place, though? I've googled for this and seen quite a few other people (even on MSDN/Technet forums) experiencing the same or almost the same problem, but with no clear resolution. I assume this is because, beneath the GUI, it's effectively doing an "ipconfig /release" then "ipconfig /renew". Give it a few seconds and everything is fine again. It's definitely not the router (or the Internet connection itself) as my laptop, using the wireless connection (and running Vista Home Premium) continues to be able to access the internet (and the router's web administration pages) just fine.Įvery time this happens, I can immediately restore all Internet and LAN access by opening the Network Adapter page, disabling the "Local Area Connection" and then re-enabling it. When the connection does drop, I cannot access any Internet pages, nor can I access the router's web admin page at, so I'm assuming I've lost all local LAN access too. the intermittent drops occur whether the VirtualBox connection is in use or not). This doesn't seem to affect the intermittent dropping (i.e. Here's a picture of the "Network And Sharing Centre" (grabbed when everything was working!)Īs you can see, I'm running Sun's VirtualBox on this machine and that creates a network connection for itself. Opening up the Network And Sharing Centre will show the red cross between the "Multiple Networks" and "The Internet". Eventually, Windows 7 will update the network icon in the task-tray to show the exclamation mark symbol on the network icon. ![]() I also have wireless connectivity turned on within the router for a laptop to connect wirelessly.Įvery few hours or so, when using my PC, I find I cannot access the Internet and pages will not load. ![]() Why?īackground: My PC is wired to my ADSL modem/router which is directly connected to the phone line. In a nutshell, my Windows 7 Ultimate PC intermittently drops its Internet connection.
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