A. 1. Shut down your Mac, Turn on your Mac and continue to press and hold the power button. O A. 2.
When the startup options window appears, release the power button.
3. Select your startup disk, press and hold the Shift key, click Continue in Safe Mode, then release the Shift key.
4. Log in to your Mac.

B. 1. Connect to power, then shut down your Mac. B. 2. Press and hold the power button for three seconds, then remove power for at least 10 seconds.
3. Wait for the Continue in Safe Mode button to appear.
4. Log in to your Mac.

C. 1. Shut down your Mac. then quickly press the power button three times. O C. 2. Wait until the startup options window appears.
3. Select your startup disk, then press and hold the Shift key until the Continue in Safe Mode button appears
4. Continue to press and hold the Shift key until the Login window appears or you're asked to log in again.

D. 1. Shut down your Mac, then press and hold the power button for three seconds.
2. When the startup options window appears, select your startup disk.
3. Click the Continue in Safe Mode button.
4. Log in to your Mac.