Question about Microsoft Broadband Networking MN-520 802.11g/b Wireless Adapter

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Microsoft Notebook Adapter MN-520 known capatibility issue msg

I have an HP laptop with a Microsoft Broadband Networking Wireless Notebook Adapter MN-520 and I repeatedly get the following message "Microsoft Broadband Networking has a known compatibility issue with this version of Windows. For an update that is compatible with this version of Windows, contact Microsoft Broadband Networking" and I keep losing my connection to the network. I use a linksys wireless access point/router. The Linksys WAP works fine with my 3 other PCs using other makes of wireless cards.

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  • gsemens Dec 29, 2008

    Only the HP and my Dell are running XP. One machine is a new Toshiba laptop using a built in wireless card and Vista, one is a desktop with a PCI wireless card using Win2000, and the last is a Dell laptop using a built in wireless card on XP. I think both XP machines are on the same service pack since I go to the Windows update site all the time to make sure they're up to date. The HP machine used to work fine but lately it's been losing it's network connection frequently. My daughter was using it at school without a problem, but over the last couple weeks or so it's gotten bad.

  • Thomas F. Schneider May 11, 2010

    And I am guesing that the other three computers have a different version or service pack that the last one?



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For troubleshooting purposes, ensure that the problem PC and the access point are on same line of sight and try to observe your connection.

1. Go to control panel and click network connections
2. Right-click wireless network connection and click properties
3. Go to authentication tab and ensure that IEEE 802.1x is unchecked
4. Click Ok all the way out

Also, check whether the problem occurs when connecting to other wireless access point. You may try changing wireless channel on the access point.

Posted on Jun 23, 2009


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Try this out and see if it isnt the bee's knee's .

Dont forget to rate me, thx

Posted on Jun 22, 2009


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Posted on Jan 02, 2017

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I need a web site that I can go to so that I can down load the driver for wireless notebook adapter MN-20 (Microsoft)

There is no need to download the drivers for that adapter ...
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Driver for MN-720 notebook wireless adapter


Download the msbndownload.exe file

Extract its contents with Winrar
Right click msbn.msi and install it.

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Unable to find driver for MN-720 notebook wireless adapter

I am having the exact same problem today. Here is the link to the driver.

This will install the Microsoft Broadband Network Utility which will allow you to install the card.


Jan 25, 2009 | Microsoft Broadband Networking MN-720...

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MSN Broadband

Here they are:


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Connection Issues Occur When I Try to Connect Through a Broadband Network Adapter

To resolve this issue, remove the network bridge. To do so, follow these steps: 1. Click Start, and then click My Network Places. 2. In the left pane, click View Network Connections. 3. Look for any connection that is bridged. 4. Right-click the bridged connection, and then click Remove From Bridge. 5. Repeat step 4 for each connection that is connected with a bridge. 6. When the bridge is removed from each network adapter, right-click Network Bridge, and then click Delete. 7. Click OK. When the all the bridged connections and the network bridge are removed, the broadband hardware is automatically detected.

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