Start Mac in Safe Mode: How to Boot it Mac Air/Pro? [Intel & Apple Silicon]

Troubleshoot your Mac with Safe Mode: A Step-by-Step Guide

Is your Mac acting up? Starting it in Safe Mode can help diagnose the problem. A successful Safe Mode boot often points to software, not hardware, issues. This is particularly useful for resolving common problems like a frozen screen or suspected malware.

When to Use Safe Mode

Safe Mode is your troubleshooting ally when facing issues such as:

1. Inability to connect to the internet upon startup.
2. System slowdowns or freezes due to clogged system caches.
3. Failure of macOS to boot normally.
4. Frequent, unexplained macOS crashes.
5. The need to remove a problematic file or application.

What Safe Mode Does

Safe Mode boots your Mac without loading non-essential startup items, internet connectivity, or Bluetooth. This isolated environment helps pinpoint the source of problems without further system instability. Think of it as a diagnostic tool, similar to using Disk Utility's First Aid function to check your hard drive's health.

How to Boot into Safe Mode

The process varies slightly depending on your Mac's processor (Apple Silicon or Intel). First, determine your Mac type:

1. Click the Apple logo (top-left corner).
2. Select "About This Mac."
3. Check the "Processor" section for "Apple" or "Intel."

Next, follow these instructions:

Apple Silicon Macs:

1. Shut down your Mac.
2. Press and hold the power button until "Loading Startup Options" appears.
3. Select your startup disk.
4. Hold down the Shift key and select "Continue in Safe Mode." Log in as usual.

Intel-based Macs:

1. Shut down or restart your Mac.
2. Press and hold the Shift key during startup.
3. Release the Shift key once you see the login screen. Log in.

Confirming Safe Mode

You'll see "Safe Boot" on the login screen if successful. Alternatively, verify using System Report:

1. Click the Apple logo, then "About This Mac."
2. Go to the "Overview" tab and click "System Report."
3. Select "Software" (left-hand menu) and check the "Boot Mode" section.

Solving Problems with MacKeeper (Optional)

Once in Safe Mode, try uninstalling recently added apps or suspicious files. MacKeeper's Smart Uninstaller can help with this. Its built-in antivirus tool can also scan for malware.

Using MacKeeper's Antivirus:

1. Download and install MacKeeper.
2. Select "Antivirus," then "Launch Antivirus."
3. Enable real-time protection (recommended).
4. Follow on-screen instructions.
5. Click "Start Scan."
6. Quarantine any detected viruses.

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