Question

Unidentified network - no valid ip config - can't get it to work!

By Meonia ·
Hi. I disconnected the ethernet cable from my router to temporarily kill internet access, but when I reconnected the cable it no longer worked. The network now shows up as "unidentified" and the troubleshooter says "Ethernet does not have a valid IP configuration".

I've checked all the network/adapter settings and can't see anything wrong. I tried a new cable in case that was the problem but that didn't resolve it. I'd read somewhere that the n/w adapter on the motherboard might have become faulty, so I've put in a new pci ethernet adapter. That's showing exactly the same problem - unidentified and no valid IP.

I've done everything I can think of but with no luck. Can anyone suggest anything? Thanks

ps: I can connect ok using a usb wi-fi adapter ( I just prefer to use ethernet).
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All Answers

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Have you tried rebooting the router?

by HAL 9000 Moderator In reply to Unidentified network - no ...

You need to turn it off unplug the power cable and then hold the On Button in for 10 seconds and then plug in the power cable and start it up normaly to clear it.

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Router

by Meonia In reply to Have you tried rebooting ...

Thanks for that. I'd done a normal power off/on but not the way you described it, so I've just tried your method but unfortunately the problem is still there. I'm thinking perhaps the router is faulty? I'll borrow my friend's spare router and see if that works ok.

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OK then what have you got there?

by HAL 9000 Moderator In reply to Unidentified network - no ...

Just unplugging a Network Cable should do nothing except the obvious so we'll need to know what is going on here.

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The other piece of equipment to check

by wizard57m-cnet Moderator In reply to Unidentified network - no ...

is the modem itself. Try rebooting it, using the same method of turning off, wait at least 10 seconds, then turn it back on.
Unless your setup is using one of the combination units where the modem and router are in one unit, in which case you've already rebooted it.

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Changed router - now no problem

by Meonia In reply to The other piece of equipm ...

Thanks. Yes, it's a Plusnet combined router/modem.

I'm using a different router/modem now and that works fine, so I'll get Plusnet to replace theirs.

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network

by junoe37 In reply to Unidentified network - no ...

I'd done a normal power off/on but not the way you described it, so I've just tried your metho

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