While pressing the Option key, choose System Information from the Apple menu.
Expand the Software section and select Installations.
Click the Software Name column header to sort the list alphabetically.
Look for “Incompatible Kernel Extension Configuration Data.” If the most recent version installed is 3.28.1, follow the steps below.
英語のままですみませんが、システム情報から情報を確認することで行います。
該当している場合の、対処方法は Wi-Fi による接続が行われている場合とそうでない場合に分かれ、
Wi-Fi 接続を行っている場合、
Open Activity Monitor, which is in the Utilities folder of your Applications folder.
Select the CPU tab in Activity Monitor, then type “updated” in the search field. The softwareupdated process should now be the only item listed.
Open the Terminal app, which is also in your Utilities folder.
Enter this command in Terminal to update to the current version of the “Incompatible Kernel Extension Configuration Data” kernel extension:
sudo softwareupdate –background
Enter the admin password of your OS X user account when prompted.
Switch back to Activity Monitor. When the CPU usage (% CPU) of the softwareupdated process returns to zero, the kernel extension should be up to date.
Choose Restart from the Apple menu to restart your Mac.
とのことです。
Wi-Fi 接続を行っていない場合には、
Restart from OS X Recovery by holding down Command-R while your Mac starts up.
Select Disk Utility from the list of OS X Utilities.
Select your drive from the list of internal drives in the sidebar. The default name is “Macintosh HD.” Your drive might have a different name or location, if you renamed or moved it.
If the drive name is dimmed, it might be protected by FileVault. Choose File > Unlock from the Disk Utility menu, then enter your FileVault password.
Choose File > Mount in Disk Utility to mount your drive, if it’s not already mounted.
Quit Disk Utility.
To make it easier to enter the command shown in step 9, you might want to copy it from Safari:•Choose Get Help Online from the OS X Utilities list, then go to support.apple.com/kb/HT205956. •Select the command in step 9, copy it, then quit Safari before you continue to the next step.
Choose Utilities > Terminal to open the Terminal app.
Type or paste the following command as one line in Terminal, then press Return. Replace Macintosh HD with the name of your hard drive, if different: