Let’s take a white 2006 MacBook. Even if it has a Wi-Fi 802.11n, it offers neither Airdrop (new feature in Lion) nor Wake On Demand via Wi-Fi (to wake up the Mac via Wi-Fi). What about changing the card ?
I tried, it works partially. I installed a Broadcom BCM4322-based card bought on eBay for $ 15 (shipping included), to replace the original Atheros card and it worked. I will not give the details of disassembly (iFixit is here for that) : the only thing to know is that the original card had three antenna outlets and the new one only two.
Si vous parlez français, une version plus compréhensible est disponible.
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