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Wireless issues with router
oh dear - i have a very sad 11 year old daughter this Christmas. We have taken delivery of a dell inspiron 545 with windows 7 and internal wireless card. To explain our set up before the computer arrived:
We have a desktop running vista wired into our broadband downstairs. We have a Dlink router dsl-g604t linked to this. Because of the v thick walls we have a couple of homeplugs in different rooms to broadcast the signal. This network was set up by my IT team at work. We have been happily receiving connections on a laptop running xp and a laptop running vista both upstairs and down.
I now have several problems due to windows 7 computer arriving;
Firstly, it can't pick up a wireless signal upstairs. If i plug in a spare homeplug, then the plug doesnt connect to the network (2 lights flash instead of 3 which indicates it hasn't configured with the others perhaps) and knocks out all the other pcs - but it does give a signal to the windows 7 pc and allows it to connect to the wireless network. If i take the plug out and move the pc downstairs it does pick up a wireless signal and connects.
However the big problem is this:
The computer connects wirelessly (downstairs where it can pick up a signal) but has no internet access - seems to be a problem with the gateway IP address (from running a diagnosis of the wireless network.
If we hardwire the windows 7 pc downstairs it works like a dream.
I have disabled IPv6 (|I think) and taken off firewalls but still no joy.
I am at my wits end with this right now - have £600 PC and no internet access
Anyone have any thoughts?
THanks Emma