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Computer loses connection with server...

Sort of a strange problem.

One of the computers at the office here loses connection to the server. It won't connect to the shared drive, the internet, email, etc. When it loses connection if you try to ping the server it comes back with 'timed out'.

Here is the strange part. If you restart the computer (or if you disable and reenable network connection) it is back up and running. For about 15 minutes...then it loses its connection. We scanned for viruses/etc and checked all network settings. Still have the same problem.

The switch is a Linksys 10/100. No other computer are having this problem. What are some trouble shooting steps you'd recommend.
3 Solutions
I'd try another NIC in the workstation.  If you're using an internal, put in a pci ethernet card, see if connection holds.

Plug the ethernet into another port on the switch.  See if the connection holds.

Check the ethernet plug wiring from the wall outlet back to the switch plugin.
You can also try resetting the TCP/IP stack by opening a command prompt, and typing in (without the quotes) "netsh int ip reset C:\ipreset.log"
Try to use another cable too.
Check the event log of your WIndows.
Try to use another PCI slot.
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when the connection lose,the network traffic light still work?
maybe you can try update nic driver.

I would suspect either a BAD Network Cable or a BAD PCI network Card ...... try to borrow another 1 and test in that PC to see whether the problems get solved ..... Hope this help .......
aaron63Author Commented:
We'll try some of these methods and then I'll award points.
aaron63Author Commented:
It turned out to be the NIC. I gave credit to three different users who suggested the same thing. Thanks!!!!

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