Setup Prism Nitro connecting to US Robotics

Hello,

I am a newbie in wireless networking an I am trying to setup a wireless
connection between my notebook (medion MD 40100 with internal Prism Nitro)
and my newly both access point (US Robotics).
I tried different things: scan on all channels, specifying Network name and
Network type myself (I had to disable the checkbox 'auto configure wireless
network' in windows properties of wireless network connection), enabling &
disabling WEP etc.
At no stage I was able to wireless connect to the AP and I don't think it's
a matter of distance or interference because I placed myself next to it now.
The only thing I managed to do (without any changes) was to connect to the
internet through this router with a wire, but that's not the reason why I
bought this AP ;-)
Both the adapter and the access point help is rather short on this, the only
thing US Robotics mention is that the adapter needs to be in infrastructure
mode, which I didn't find in the configuration settings of the Prism
adapter, but I suppose it equal to the Prism adapter setting of Network Type
= Access Point

Can anybody give me some guidelines on this ?
Tx


Some detail info:

OS: Windows XP Home
Adapter : PRISM 802.11g Wireless Adapter (3890)
Access Point : US Robotics Wireless Turbo Access Point & Router (8054)



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