Connected to router but doesn't connect to internet

I have a Dell 9150 Tower linked to my ADSL broadband via a Netgear DG834G router and all works well.

I've now got a Dell D630 laptop with Intel PROSet/Wireless which shows that it will connect to my router by WiFi. Excellent signal quality, 54 Mbps, 192.168.0.200. Security is set up with a WPA-PSK (Wi-Fi Protected Access Pre-Shared Key) on the router, and the security on the laptop says WPA-Personal) on the laptop. As I say, it tells me its connected so I guess that's well and good. I can even access the router set-up page via the laptop (192.168.0.1). So it must be connected....right?!

Then when I open IE and try to browse the web it just says I'm offline.

Yet if I hardwire into the router via cable it just works fine.

Both machines run Windows XP.

My head is hurting...what's wrong? I seem to be WiFi connected...but not connected.

A few things to try. First, for the simple stuff, make sure IE does not have 'work offline' checked under the file item in the menu. (Shouldn't be since you were able to connect hard wired) Next, if you are using a static ip on the laptop and the DHCP server is running on the router, you will be able to connect to the router but go no further than that. If you are using DHCP on the router, make sure that the wireless connection on the laptop obtains the ip address and DNS server address automatically in the TCP/IP settings.

Hope this helps.

Set it to open network which do not require any key and try again.

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Make sure you're being assigned an IP address from your DG834G 's DHCP server. You can do this by opening an command box (START=>RUN=>CMD) and typing IPCONFIG /ALL and look for two items; IP Address for the wireless controller, and if DHCP is available. If not you may have to manually assign an IP address on the problem machine itself.

Edited: If you need to manually assign an IP address, use one that is outside the range of the routers DHCP server pool.