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Old 10-01-2015, 04:01 PM
Haaheim Haaheim is offline
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Join Date: Oct 2015
Location: Norway
Posts: 1
Default Re: M-Audio Fast Track Ultra on El Capitan

Hi aesc, thank you for looking into this.

I tried your instructions, but it didnīt work with Fast Track C400. It would not load because of kext signing, which I thought I had already disabled through nvram boot-args=kext-dev-mode=1.

However, this command does not affect El Capitan, and the only way to disable SIP (System Integrity Protection), is to boot into Recovery (CMD+R at boot), entering terminal and running the command csrutil disable.

This finally loaded the kext, but I am having the same problem as I frequently had in Yosemite; console says "VDCAssistant: Found a camera (0xfd12000007632030) , but was not able to start it up"..Any input would be appreciated. My solution in Yosemite would be to restart, but that is not working anymore.

For others; copying the kext didnīt actually do anything for me, it actually made OS X load the kext twice (one from each location). In order for you to get the driver to load, you must disable System Integrity Protection with csrutil.
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