DHCP connectivity in Windows XP

Hi network experts,
I have a confusing problem with my Sisters wireless.

At my house, her laptop connects to my wireless and contacts the DHCP server no problems. My laptop does the same. At her house, my laptop connects to her wireless and contacts the DHCP server no problems but hers cannot contact the DHCP server.

I have made sure the WEP key is correct, the Key Index is set and tried ipconfig /renew, resetting the modem to no avail...

She can also connect to her university wireless no problem. (And no before you ask, the connectivity problems occurred  before she connected to the university wireless).

The wireless modem router is a DLink DI 524

Cheers
LVL 3
gsalierAsked:
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Jay_Jay70Commented:
Hi gsalier,

can you ping the address of the router in the problem scenario if you set a static ip within the approp range?

Cheers!
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gsalierAuthor Commented:
No... tried that
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Jay_Jay70Commented:
how about if you manually wire to it?
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gsalierAuthor Commented:
Yes that works
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Jay_Jay70Commented:
i would say that you NIC doesnt support working with that type of access point, can you remove all security and then try again
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gsalierAuthor Commented:
The security is identical to my wireless and connects fine to that.
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gsalierAuthor Commented:
It used to connect just fine until I reinstalled windows xp
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Jay_Jay70Commented:
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gsalierAuthor Commented:
Security disabled it now works fine...
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gsalierAuthor Commented:
Good to see you live in the right country
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Jay_Jay70Commented:
mate we live in the only real country :)

you wanna implement basic security and see if it takes?
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gsalierAuthor Commented:
Yeah... it worked at treat... wonder what was wrong with the old WEP key???
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Jay_Jay70Commented:
when we changed ours over, we had all sorts of funny issues, i still to this day, have to reset some users after they use different networks....
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