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AppleBluetoothBroadcom64 is not properly signed

The bootcamp ( 6.1.7438 ) driver for Apple made bluetooth cards is not properly signed and therefore cannot be used unless booted with disabled signature checks. It seems to be signed with some development certificate:



Without deactivating the checks this is what you see when you try to install the driver:



After disabling the checks by using advanced startup options the install is possible. You see a warning but it will install and operate the device flawlessly:



The device in question: VID = 05AC (Apple) PID = 828F



I guess Apple just needs to not forget to properly sign the driver when they update the Bootcamp software. I have no idea what might be the best way to contact the about that. The Feedback Bug reporter does have no category that fits.

iMac Line (2012 and Later)

Posted on Aug 18, 2019 1:07 PM

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Posted on Aug 18, 2019 1:25 PM

Use 'macOS' -> (Something Else Not on This List, Suggestion) category and be very specific with your report and specifically mention Bootcamp Drivers, not Bootcamp Assistant.


You can also use Brigadier to download an older BC driver package, if available for your specific model.

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AppleBluetoothBroadcom64 is not properly signed

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