Problem getting internet access but am connected to router and can't ping

Here is my equipment and problem:

Belkin wireless n router
Belkin wirelsss n notebook card in an older HP notebook
New Toshiba notebook with wireless n built in
Other Toshiba notebook with wireless g built in

Ok, my problem is only with the HP. I put the card in and installed it
and if I am in the same room as the router or close by I can connect and
also get on the internet so DHCP is working fine. I can also get my
other 2 laptops to connect just fine. I can take them all over the
house and they are great, even the one with wireless g. So if I get the
HP much farther away than 5 or 10 feet from the door of the bedroom, it
will not connect to the internet any longer. Even if I put the IP
address and the dns servers in, it still won't. Now here is the weird
thing. Even downstairs, it still says signal strength good or excellent
and connects to the router but not to the internet. I do nothing
different accept walk back to the bedroom and it starts working.
Doesn't appear to be a hardware problem as it says good connection even
far away, just doesn't work properly and my cordless phones (also in the
bedroom) are 5.8 ghtz.

So why do you guys think this card and laptop needs to be soo close to
work. Again, the range on the router is great with the other two
laptops. Thanks for the help!


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