Mid 2006 / model number A1181 / black or white case / 1.83 or 2.0 GHz Intel Core Duo processor.

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I just replaced the bottom case and added an upgrade airport card

When replacing the bottom case I thought I'd upgrade the airport card to the "n" for faster response time. Is there a driver that I don't have as I'm not able to pickup any wireless signal now and there are no wireless choices ie. wireless network is not working.

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Can you give us a part number for the card and where it came from?

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Ok Thanks. Just to back track a little: Yes, I did as Jeff suggested ie, checked to see if the airport card had been accepted by the machine and it had which is why I kept pursuing a software fix. Since IFIXIT suggests that the 802.11n is an upgrade for the 802.11g I new there was a fix somewhere. Anyway, after following the instructions on ifixit and keeping all of those little screws organized in small sandwich bags with the step numbered on the front with a sharpie, the bottom case replacement with an upgradedairport card and upgraded (8x) DVD superdrive was successful. So I figure I got about $700 in upgrades if I would have had the apple store guys do the work for about $150 or so. This site is invaluable! Thank you IFIXIT!

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I'm a little messed up answering questions and adding comments but to answer mayer's question from 3 days ago: I got the airport card off of ebay (used) (card # is 802.11n) is the one that IFIXIT recommends as an upgrade for the older coreduo's which I have. You have to be a little careful here as some cards have 3 antennae hookups vice the two that the coreduo's and later models have. Anyway, mine screwed right in without issue and I do notice a difference in wireless connectivity speed over the original 802.11(g). Just as an added note: After cleaning the old heatsink goop off the tops of the processors

and replacing it with the new goop that IFIXIT sent, the laptop is running cooler which I hope translates into longer processor and logic board life.

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click on apple/about this mac/check in network, airport....does it list your airport card?

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Do as Jeff suggested to see if the computer can detect the card, if not, try going back through the installation and making sure it's properly connected.

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After some research, I learned that the logic board for the core duo MacBook does not recognize the 802.11n but there is a workaround-You have to install the software for the airport extreme base wireless unit into the laptop-I did this via apple's website. The computer needed to be restarted and "voila" the wireless signal was picked up automatically and I was in business. It took a while and some help from my more tech savvy son-in-law but we got it done.

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Great that this worked and good job figuring it out yourself! Since you have an answer you should answer your own question and then accept that answer.

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pegram will be eternally grateful.
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