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Losing Internet connection but maintaining LAN connection

By my_pcfixer ·
Heres the situation:
I have 6 computers on my network(all xp pro), running server 2003. On one of the pc's I have recently been having trouble losing internet connectivity. I am still able to access local files on the network and run software which accesses file on the server. This seems to happen every morning when my client comes in-- he is able to restart the computer and regain internet connectivity until it happens again the following morning.
We are using Cisco equipment.
Any support would be greatly appreciated.

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spyware?

by sgt_shultz In reply to Losing Internet connectio ...

can you try running a day in safe mode with networking? if the internet stays up that way then I say look for spyware/viruii on the problem box. You could also swapping the switch port and cable from a non problem box...

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A couple more checks

by Jacky Howe In reply to Losing Internet connectio ...

You can use Device Manager to change the power management settings for a network adapter. To disable this setting in Device Manager, expand Network Adapters, right-click the adapter, click Properties, click the Power Management tab, and then clear the Allow the computer to turn off this device to save power check box.
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Click Start, Run and type netsh winsock reset and press Enter or click OK.
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How to troubleshoot network connectivity problems in Internet Explorer
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http://support.microsoft.com/kb/936211
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How to determine and to recover from Winsock2 corruption in Windows Server 2003, in Windows XP, and in Windows Vista
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http://support.microsoft.com/kb/811259
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Check to see that you are connecting to the right DNS Servers. ipconfig /all can be used from a Command Prompt.

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<i>Keep us informed as to your progress if you require further assistance.
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