Message 3 of 5. Did you run the windows network diagnostics? To determine if you are installing the right driver, first what is your OS? What Antivirus are you using? By the way, was there also a Windows update received or done on the computer?

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WAN Miniport (ATW) #2

Cable is pretty much plugin and go! This started happening only a few days ago, no other changes that would possibly cause that.

Based on your description of the issue though, it seems that the wireless network adapter is the culprit here. Register Sign In Help.

Slow connection over wi-fi

Message 5 of In reply to Liezl Fal’s post on December 4, What Antivirus are you using? Your LAN settings may have been altered by a virus. So, I guess it’s wait for the new modem or Saxphile Blue Screen Again.

Message 7 of Hey, I hope someone will be able to help me. But if you would really want to check, you can uninstall everything under Network adapter and try to install driver manually by clicking update driver for each component that has become yellowed under it. Message 3 of If there was, then all the more reason to do an update to the network adapter’s driver.


At the bottom of mimiport thread is a link back to the hp website for a similar if not the same issue Ive been to hp.

Your name or email address: Rebooted two times just to be sure. Actually, I had already uninstalled and reinstalled it! Information and links in this thread may no longer be available or relevant.

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Solved: SOLVED! WAN Miniport #2 yellow exclamation mark in Device Manager – Lenovo Community

Note on archived topics. Yes, my password is: I am not able to connect wirelessly or via ethernet cable to the internet.

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Does it use a Firewall? We will wait for your reply.

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This showed up as the only problem device.

Wan miniports are back again and after searching a bit on the web, I guess that they might be causing this. I’m kinda desperate because I seriously don’t know what caused that, it’s been working fine for years and I have broadcok idea what to do next. Just as a heads up, since it windows doesn’t allow you to uninstall it I tried to delete it through registry and lost the ability to see any networks mimiport the hardware itself was recognized and working.