I cut the new Broadcom card to fit. Which technically works but due to Lenovo using a bios whitelist on networking cards the laptop refuses to POST with the card in. It just shows the unauthorized network card detected and to remove it.
So until you are able to remove the whitelist you'll never have internal wifi on this laptop running in OSX.
Lenovo T440s - Mavericks 10.9.5
in The Archive
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I cut the new Broadcom card to fit. Which technically works but due to Lenovo using a bios whitelist on networking cards the laptop refuses to POST with the card in. It just shows the unauthorized network card detected and to remove it.
So until you are able to remove the whitelist you'll never have internal wifi on this laptop running in OSX.