LINKSYS WPC11 DOES NOT WORK

I installed the Linksys WPC11 wireless-B notebook adapter into an IBM
600E notebook with Windows 98SE. We have 2 wireless access points in
the house. After it boots up and you open the WLAN monitor it says "You
have successfully connected to the access point but the internet cannot
be found". At this point the signal strength is at 100%.

To connect to the internet, you have to click on the "Default" profile
and then click "Connect". It then takes about 1-2 minutes for it to
connect to the internet.

It only connected to the internet automatically once or twice.

Any ideas?