My machine loses network connection every 5 minutes

On a windows 2000 SP4 professional machine network connection keeps dropping off every 5 minutes. I don't see any errors n the event viewer. I can't remember any changes being made to my PC.Any help is appreciated.
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G'day mate

Is it exactly every 5 minutes? If its quite frequently rahter than every 5 mins exactly I'd try patching it into an alternate network port to see if the port is failing. Also swap the Cat5 (long shot)

Is this box exposed to the internet?  Are you running services available from external?  Could someone be runnihg a DOS on your box?  IS it patched with current AV installed?

Are you plugged into a Cisco switch?  I've seen a simular issue for client on Cisco switches where portfast wasn't enabled on the access ports.
Fatal_ExceptionSystems EngineerCommented:
Might also turn off the power saving Auto configuration on the Power Mgmt tab of the NIC...  (Device Manager)

Test by issuing a constant PING against an inside resource...

ping -t IPAddress
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Try and change the network cable
life_jAuthor Commented:
Thanks Fatal_Exception

Can you explain me how would turning off the power saving auto config relate to my issue. I think this is the setting that fixed my problem.
Fatal_ExceptionSystems EngineerCommented:
Power Mgmt is one of the nicer additions to the newer systems, but as usual, does not work 100% of the time...  You could reload the OS, and thusly a new ACPI, but...  glad that it corrected the issue though...

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Fatal_ExceptionSystems EngineerCommented:
and thanks..

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