Connectivity issues with desktop.

[Mastamind]

I was talking with a client who wanted to make his desktop wireless.  I set him up with a wireless PCI card adapter for his computer, told him how to install it, I offered to do it, but he said he was ok.  So I get a call from his last night, seems that everything went ok, except this....He has a D-link wireless router, and the PCI card is a Linksys.  Seems that the connection is seen by the computer, but won't allow him to access his network. I told him to turn off the router for 30 seconds and see if that helps, it didn't.  

Is there something I am missing?  I've heard how Linksys is picky, could this been an issue where he needs to stick with D-link?

Thanks for the help.

[Rob Pomeroy]

Does the router have MAC filtering enabled?  (It should do.)  If so, you'll need to add the PCI card's MAC address to the exception able.

Is WEP/WAP encryption in use?  Have the keys been set up correctly?  Encryption is ESSENTIAL on wireless networks.

[Mastamind]

Encryption is essential.  I believe they told me that they were using a WEP key.  I didn't get a chance to look at it, we were speaking over the phone.  Next time I talk to him I will find out for sure.