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adapter is looping trying to connect (Win 7 system

Posted on 2011-02-21
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Last Modified: 2012-06-27
I just installed windows 7 on a brand new Dell Vostro desktop and the network adaptor is connecting and disconnecting automatically on a sbs 2008 network with a netgear prosafe 24 port gigabit switch.  Any ideas?  I've reinstalled the adapter and tried using known good cables but no luck.  When testing this unit at home everything works fine with solid connection to the internet.  
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Question by:navyjohn
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Expert Comment

by:Ernie Beek
ID: 34943199
Did you try setting the speed and duplex manually?
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Assisted Solution

by:louisreeves
louisreeves earned 500 total points
ID: 34944468
Make sure the network adapter settings on the laptop match 1500 MTU, etc.... set the connection to AUTO. If the adapter is a broadcom- install the latest BACS software and driver for the client. THe software has tests, and settigns that will help you diagnose the issue. Alos call Dell support. They are the most commited group of people and should be able to assist. I did not mention the server as I assume you are not having problems there. However, you may also benefit from installing the latest broadcom driver package from support.dell.com (drivers and downloads)

Cheers
L
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Author Comment

by:navyjohn
ID: 34946346
@ erniebeek, no.  This is the first time I've seen this behavior and we have 10 other computers running error free.

@ louisreeves, I will try these steps and erniebeeks recommendation tomorrow.  Thank you for taking the time to assist.

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by:Ernie Beek
ID: 35397247
Without feedback from the author it's difficult to say what was the resolution. I'd say: delete.
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Accepted Solution

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navyjohn earned 0 total points
ID: 35398250
Gentleman thank you for the assistance and accept my apology for the delay in my response.  Unfortunately I had a death in the family and that demanded my full attention for several weeks. The issue was resolved by shutting the network down and all related equipment.  Once all systems were back online the issue resolved itself.   Further research revealed that the behavior was caused by an ip address conflict.  All systems on the network now have static IP addresses to prevent future issues.

Thank you for your assistance.
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Author Closing Comment

by:navyjohn
ID: 35422605
The solution was to start with basic trouleshooting steps by shutting down the network and making sure no ip conflicts happeniing.
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