I found out that in order to use a USB adapter on linux, you need to do something with ndiswrapper or something. I've heard, however, that if the card is interal (a PCI Card) that linux will pick it up and use some sort of defaulted driver or something.

I put in my PCI card after the first time I installed Kubuntu, and I don't know if there's a way I can get it to see it. Is there some sort of "Hardware updater" I can run? Kwifimanager says I have no card. Will just reinstalling kubunutu work?

Thanks!

Actually that's not true. A large number of PCI cards won't get picked up automatically. Ndiswrapper isn't limited to USB devices, it can support PCI or PCMCIA devices as well. It's main function is to support cards that do not have native linux drivers. Now in general, PCI cards are a bit easier to get working in Linux than USB.

If you want to get the PCI card working, if you post what kind of card it is we might be able to point you towards a driver. Reinstalling kubuntu might pick it up, but then again it might not. Personally, I think reinstalling is Windows-think.

WMP54G
Wireless-G PCI Adapter
(It's a linksys)

That's the card I'm using. I got it just the other day, so if there are different types of versions or something, I'm 99% sure it's whatever the newest is.

OK, I think that is a Broadcom chipset in there (check the output of lspci just to be sure) in which case you are going to need to use ndiswrapper which will let you use the Windows drivers in Linux. The ndiswrapper wiki has excellent installation instructions.

This also explains why Kunbuntu didn't pick up the card. Even if Kunbuntu came with ndiswrapper installed, it certainly didn't come with the appropriate Windows drivers.

And in the longer term, you're going to want to keep and eye on the native Linux Broadcom driver project. I've been playing with it a bit, but it still seems too early for prime time right now.

Alright, I got ndiswrapper working, thanks for the help.
Now, I do:
iwconfig

but there is no wlan0.
ndiswrapper.sourceforge.net/mediawiki/index.php/Installation
that page tells me I need the Wireless Tools for Linux (hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html) but the page that it links to is currently not working. Is there another place I can get these Wireless Tools?

Thanks!

[edit]
I checked Adept Package Manager, and it tells me I already have the Wirless Tools package installed. Why isn't wlan0 showing up?
When I do
ndiswrapper -l
it says
bcmwl5 driver present, hardware present

???

Have you loaded the ndiswrapper module? The command is modprobe ndiswrapper. Alos, be sure you've run ndiswrapper -m as that add a line to your modprobe.conf file that equates ndiswrapper with wlan0.