WRT160N G wireless Laptop connects to internet and N Laptop does not

I have a WRT160N router with 1 wired and 2 wireless computers. The wired and G wireless connect to the internet work fine. The new laptop is wireless N and was connecting to the internet but now looks as if I have completely lost the wireless N in the Laptop. My question is can the router fail N and still operate G. Or it the new laptop wireless card failed.

Well in that case if the desktop is working & laptop is not working then would suggest you to update the drivers for the built-in adapter & check the ip address of the laptop.Also, check if you are able to ping 4.2.2.2 & yahoo.com. If they are able to ping then you will be able to go online wirelessly using the laptop.

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