MacBook Pro M1 Restarts Instead of Sleeping: Solution
If you own a MacBook Pro 13 with the M1 chip and have recently updated to macOS Monterey 12.3 or later, you may have experienced unexpected restarts when closing the laptop lid. This article will provide a detailed explanation of the issue and a step-by-step solution to resolve it.
Understanding the Issue
The issue is related to a macOS bug causing the MacBook Pro M1 to restart instead of sleeping when the lid is closed. This occurs due to an incompatibility between the M1 chip and certain macOS versions, which affects the sleep functionality. The problem is not hardware-related, and it can be fixed with a software update.
Checking the macOS Version
To verify if your MacBook Pro M1 restarts instead of sleeping, follow these steps:
- Click the Apple menu in the top-left corner.
- Select
About This Mac. - Check the
Versionfield to see if it's running macOS Monterey 12.3 or later.
Resolving the Issue
Apple has acknowledged the issue and provided a fix in macOS Monterey 12.4. To resolve the restart issue, follow these steps:
- Backup your data using Time Machine or another backup solution.
- Click the Apple menu in the top-left corner.
- Select
System Preferences. - Go to
Software Update. - Install the latest macOS update (currently macOS Monterey 12.4).
Verifying the Fix
After installing the macOS update, close the laptop lid and wait for a few seconds. Open the laptop lid to see if the MacBook Pro M1 stays in sleep mode. If the issue persists, restart the MacBook Pro M1 and repeat the steps above.
References
-
Apple Support: MacBook Pro (13-inch, M1, 2020) restarts instead of sleeping
-
Apple Developer: MacBook Pro M1 restarts when closing the lid