Wireless router connection good, IP address assigned. No Internet

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I replaced my old wireless G router switch with the Asus RT-N56U to use 802.11n. Everything works fine except my main notebook (ACER Netbook(XP) – Atheros AR5007EG built-in wireless adapter). The built-in adapter connects to every other wireless access point and can get to the internet but will not get to the internet using the Asus router. Every other device I’ve tried to connect to the Asus wireless router connects and gets to the internet. I purchased another wireless adapter to use with the notebook and it works fine with the Asus router. I put my old G wireless router in as a separate access point and the notebook adapter works fine with it.
Using the built-in adapter I can ping 127.0.0.1 to test ping and I can ping the notebook ip address assigned by the Asus router but I can’t ping anything else including the default gateway. I have removed the device, re-installed, redone the driver etc. with no success. I am currently using the new usb wireless adapter to connect to the Asus router but would really like to use the internal adapter and remove this external usb adapter.
Does anyone have any suggestions?

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If run ipconfig /all in a command window, what does it show for the internal adapter? Is the router configured to allow 811.g and 811.n at the same time?

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And from Ruirib’s suggestion, what IP address do you get assigned?

BATcher

Plethora means a lot to me.

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The default range that the router assigned was from 2 to 254. I changed the range to be from 200 to 254. The address assigned would be 192.168.1.2xx with the default gateway 192.168.1.1. I limited the range of DHCP assigned IP addresses so I could assign some permanent IP addresses for wireless printers etc. I would also turn off DHCP on the adapter and assign everything manually and still could not ping anything but the IP address assigned, either the manual IP address or the one via DHCP.

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A quick google search suggests that your internal wireless card (AR5007EG) only supports wireless ‘B’ & ‘G’ modes.

Have you followed Ruirib’s advice above to check your router settings?

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I would always be very suspicious of a situation where you can’t get an IP through DHCP. In that case, I would think a manual IP may not work, because the underlying communication problem with the router may not go away. You need to look at how the router is configured (811.g, n or both, channels used, security) and also at the adapter itself (channel used, security, for example) to try and figure out what is happening.

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mfoster,

It appears that the underlying message from all the above is:

Does your router accept 802.11g at all or is it set to 802.11n only?

Then it is simple because your computer does not understand 802.11n and it has nothing to do with DHCP, IP address or any of that.

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I had a similar problem with a friend’s laptop running Vista after installing a new router. The laptop used a wireless connection and it indicated that the connection was successful. However IE and Windows Mail wouldn’t connect. I went through all kinds of suggestions, restarting everything, downloading and installing latest wireless driver in the laptop, examining DHCP addresses, etc. and nothing worked. (You would find my posts on this forum). My friend finally used the Geek squad and they stated that it was the result of an incompatibility among security settings between IE and the router. Once resolved it works perfectly. Unfortunately I don’t have details as to the exact fix.

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For $30-45 you can buy a Wireless-N USB Network Adapter. That’ll solve your problem. Here’s an example from our local computer shop: http://www.kbshopper.com/products.php?pid=3611057

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