[Dancan]

Thanks for your time.

I've got two PCs connected via a linksys WRT54GS router using cables, rather than wireless in DHCP mode. But a couple of days ago, after changing nothing, my upstairs PC no longer recognises any network, or lists any in the 'network connections' window. The downstairs PC is working normally. I'm using Windows XP.

I have upgraded the router firmware.

The downstairs PC uses windows firewall, the upstairs uses Comodo internet security. Both have allowed the connections with their current settings in the past.

The Modem is a Motorola SB5100, which is probably irrelevant, as it is working normally sending a connection to the router, then out to the downstairs PC.

I also tried releasing and renewing in the 192.168.1.1 console.

The network adaptors on both PCs are working and of the latest version, according to the device manager.

There is nothing listed in the network connections page for the upstairs PC.

Any other suggestions? Thanks then.

Edited by Dancan, 19 August 2009 - 03:15 PM.

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[Dancan]

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[datarunner]

Hi There

Am I right in saying that you have 2 PCs connected via wire setup for DHCP?

Regards

[Dancan]

Yes that's right, with windows XP. No network is listed in the 'network connections' window upstairs. Although downstairs I can read the IP, and all works fine.

[Dancan]

A suggestion from another forum of unistalling the network card and letting windows recognise it again has worked. Thanks anyway.