windows 7 pc cannot find router

  howard64 15 Apr 11
Locked

My main pc has suddenly started to be unable to find the router which it is connected to by ethernet [cable had been changed for known good ones] it is listed as unidentified network no contact. My other pc connected to the same router has no problem. I have reset the ip address and occasionaly I can get it to connect but the next reboot kills it again. Does anyone have any idea as to what has gone wrong and how to fix it?

  robin_x 15 Apr 11

Don't know. Recent Windows update screwed it up?

Can you restore to before the updates or when the problem started?

  howard64 15 Apr 11

did not fix it

  woodchip 15 Apr 11

Delete the connection reboot for it to re-enable find it

  woodchip 15 Apr 11

PS in Networking set everything to Auto like DNS etc

  howard64 15 Apr 11

have done all that but still the same

  howard64 15 Apr 11

reinstalled w7 but made no difference. Now fully formatting hard drive and will install w7 again and see what happens.

  ashleycardwell94 16 Apr 11

did you try changing the cable back, maybe one of the copper strands had broken.

  howard64 16 Apr 11

still no joy tried different cables and new installation of w7 I am begining to think that the built in ethernet port has failed. I will install a network card and see what happens.

  howard64 16 Apr 11

great now working ok with network card

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