In addition to the recently talked about Mac unexpectedly waking up issue, another related issue is when your Mac won’t wake up from sleep. Users have reported that this issue started occurring on their computers after the macOS 10.15 update. It can also occur during macOS Ventura updates. If you run into this problem, here are some possible fixes to get your Mac working again.
How to fix a Mac that won’t wake from sleep: some quick fixes
Before tackling more complex solutions, let’s first look at a simple fix. The most obvious thing you can do when you have this problem is tap the trackpad on your Mac or return Or use another key on your keyboard, or click your mouse if you do. You can also press the power button to wake your Mac from hibernation. Finally, if all else fails, try restarting your Mac. Press and hold the power button for a few seconds, then press the power button again to restart your Mac.
How to fix a Mac that won’t wake from sleep: more complicated steps
If you’ve tried the basic fixes and find your Mac still won’t wake from sleep, try more advanced methods to fix the problem.
Check if your Mac’s battery is charged
After leaving your Mac in sleep mode for several hours, your Mac may still seem to have power. In fact, your Mac may not be asleep at all and the battery may be draining. In that case, you need to charge your Mac. Please charge it for at least an hour, then reboot and see if it works.
Reset SMC on Mac
As mentioned in the previous article, SMC (System Management Controller) is a subsystem on Mac that manages low-level processes. These include sleep, wake, hibernation, and battery power. SMS errors often cause Macs to malfunction, such as not waking from sleep. Therefore, you need to reset the SMC to resolve this issue.
If you have an Intel-based or older Mac, check out this comprehensive guide to resetting the SMC. New Macs with Apple Silicon chips don’t require any special steps. A simple reboot resets the SMC.
Reset NVRAM/PRAM
If you have an Intel-based Mac, you may need to reset your Mac’s NVRAM or non-volatile RAM. To do this, follow these steps:
- Press the power button, then Option + Command + P + R Press the key for 20 seconds.
- Release all keys after you hear the Mac startup chime twice.
If you’re using an Apple Silicon Mac, your machine will reset NVRAM when it boots.
Boot into Mac Safe Mode
In some cases, the applications you were using before your Mac went into sleep mode can prevent your Mac from waking up. In that case, you should start your Mac in safe mode. I hope you can remember the applications you were running before the problem occurred. You may need to uninstall these apps while your Mac is in Safe Mode. Follow the steps below to restart your Mac in safe mode.
Duration: 3 minutes.
If you need to reboot your Apple Silicon Mac into safe mode, follow these steps:
- Shut down your Mac.
- Press and hold the power button until boot options appear.
- Select your startup disk and press the Shift key.
- [セーフ モードに進む]Click and release the Shift key.
For Intel-based Macs, the steps are slightly different.
- Press the power button to turn off your Mac and wait for a while.
- Hold down the Shift key and press the power button to restart your Mac.
- Release the Shift key when the login window appears.
Once you’ve identified and removed any apps that might be causing the problem, restart your Mac and see if it works.
Start your Mac in recovery mode
- go to Finder > Applications > Utilities > Disk Utility.
- select boot disk.
- click First Aid > Run.
After successfully running First Aid in Disk Utility, restart your Mac and see if it wakes up from sleep normally.
Contact Apple Support or bring your Mac to the nearest Apple Service Center
If you’ve followed all the steps above and your Mac still won’t start up, we recommend contacting Apple Support as soon as possible or taking your Mac to the nearest Apple Service Center.
