Two WiFi/Networking problems with a T43

Hi. I had a T43 for a few years and loved it but in Sept, it just died. wouldnt turn on. Took out the hard drive.
Just got another T43 (actually 2) and swapped in my HDD. both had the same problem and I cannot find a fix on the website...
Everything works well on them with my HDD. I have been running programs, etc. and also am on Internet thru a wire, but it has 2 problems..
1. It doesnt show that there is a wifi card (same with the other 'new' one that someone else took and installed their OS on the HDD (XP Pro) and found the wifi card. Nothing shows up in device manager under network cards except the gigabit card and the bluetooth (both work) but NO Wifi. Belarc Advisor doesnt show a WIFI card, My guess is that there is one there but something isnt allowing me to see it.
2. In Device Manager, there is one item that has the yellow question mark, it is the "Network Controller" I went to the Lenovo website and also googled it, and cant find a driver for any such device. I am wondering if it has to do with why the WiFi doesnt show up. where can i find the driver and what IS the 'network controller' anyway??
any help would be appreciated. I love the T43 and need it to get working fully asap.
THANKS
Solved!
Go to Solution.

That's weird...
Just in case that someone had swapped the card in the past, try this:
http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-70480
Then go into C>Drivers>Win>Wlanath and run the setup file from there.
More on ThinkPad Fan Control here:
http://www.tpfancontrol.com/
Good luck and keep us posted.
Cheers,
George
In daily use: R60F, R500F, T61, T410
Collecting dust: T60
Enjoying retirement: A31p, T42p,
Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W
Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.

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