![]() Disabling a Kernel Extensionīefore disabling an unwanted KEXT check that the Loaded: field has No, that way we know for sure that it is not being used. It is probably a good idea to disable unsigned extensions. For example JmicronATA.kext has: Obtained from: Not SignedĪs a general rule you don't want to be using unsigned Kernel Extensions just like you don't want to be using Apps from unidentified developers. The best way to know if it is from Apple is to read the Obtained from: field. JMicronATA.kext is not part of OS X, but has been installed from some other source. Knowing what Kernel Extensions are from Apple How can you tell what's an official part of the system, and what isn't? How can you uninstall 3rd party crap, short of rooting out individual files from within alllll of the folders in the three different Library folders, not to mention anything hidden in the /private directory? What are all these and why are they in /Library/Extensions instead of /System/Library/Extensions if they are officially part of OS X Yosemite? If they're not, how can I identify where they came from? Why would they still be there after I just reinstalled Yosemite yesterday? is this an official part of OS X? Or can it be deleted? I ask because its modification date is 2012 and in System Report it shows that it's Not Signed and not loaded.Īs well there are these kexts in /Library/Extensions which do not show to be from Apple, are not loaded, and many are from 2013: There is a file JMicronATA.kext in my GF's iMac in /System/Library/Extensions. ![]()
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