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When asked to confirm your choice, click Remove.
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Hover the mouse pointer over the device that you want to disconnect, and then click the remove (x) button next to its name.
#How to reset my macbook air without losing data pro
Step 1: Attach your Time Machine backup storage device to your iMac or Macbook Pro and turn it on. Follow the below steps to get your files back successfully. Open the Messages app, click Messages, choose Preferences, and then click Accounts. It’s time to restore your Mac from Time Machine. When prompted, provide your Apple ID and password, and then click Deauthorize.Ĭlick the Apple menu icon (), select System Preferences, choose iCloud, and then click Sign Out. From the menu bar at the top of the screen or at the top of the iTunes window, choose Account, select System Preferences, then choose Authorizations, and finally click Deauthorize This Computer. Finally, press and hold the Shift key and click Continue in Safe Mode. Next, press and hold the power button until seeing the startup disks and Options on the screen. For an M1 Mac, you need to shut down your M1 Mac and wait about 10 seconds. Now that you have backed up your important files, you must disable all of the services associated with your Mac, especially if you plan to give away or sell it. Then restart your Mac and hold the Shift key until the Apple logo appears.