It’s safe to say that nearly every Mac user wants to update to the newer macOS versions. However, what they do not know is that even a stable macOS like High Sierra or Mojave has its disadvantages. That means if you are thinking about an upgrade, you have to prepare to troubleshoot some issues at some point.
One of the most common issues with High Sierra is the sleep-wake failure, which causes a MacBook not to wake up from sleep or just randomly restart itself. After some Mac users updated to High Sierra or Mojave, they reported having this problem, where they find it difficult to wake their devices from sleep. Regardless of the model or type of Apple computer they’re using, they just cannot wake up their devices from sleep.
How to Stop Your Computer From Randomly Waking Up From Sleep Mode. If your computer keeps waking up from sleep mode, there may be a few settings you can tweak to fix the problem. Starting out of the blue a couple of days ago, my relatively new Macbook Pro (running Yosemite) started randomly putting itself to 'sleep' while I am working. What I mean by 'sleep' is that the screen goes black, it pauses iTunes, and it signs off of any Skype calls that might be in progress. Display powers off automatically when the PC goes into sleep mode and doesn’t power on automatically when the PC wakes up. The display is set to power off automatically when no signal is detected for more than 2 minutes in order to protect the LCD panel and reduce power consumption. For iMac, Mac mini, Mac Pro: Shut down your Mac Unplug the power cord and wait 15 seconds Plug the power cord back in Wait five seconds, and then press the power button to turn on your Mac. Method 2: Reset NVRAM (non-volatile random-access memory) on your Mac. Shut down your Mac. Find Command (⌘), Option, P, and R on your keyboard. Before I go to bed, I will force close all of my apps with the 'close all apps' button. However, sometimes I'm OCD and I double-checked to see that I closed all the apps, and when I went in to check there were about 7 random apps open that weren't open previously and that I hadn't even used recently (one was Yahoo!
But how does this sleep function activate?
Putting Your Mac in Sleep Mode
The sleep mode is only an optional feature, but it is quite handy for Mac users who need to regularly take a break from using their devices yet forget to switch them off. It’s also a useful feature that can help you achieve your energy-saving goals.
To activate this feature, do the following:
Waking Up Your Mac from a Long Sleep
So, you have just upgraded to High Sierra or Mojave and your computer has entered sleep mode. Now, you are faced with a sleep-wake failure issue. What should you do?
Don’t panic! There is a way to fix MacBook sleep-wake failures. Below, we’ve listed the most obvious and effective solutions to resolve your problem, and you can try all of them as needed.
1. Check Your Power and Screen Brightness.
Before you do anything, you need to check the most obvious possibilities. Is your screen brightness set to a minimum? Is your Mac powered on? If you are using an external display, is it actually switched on? Is your Mac plugged into a power source? If you are using a MacBook, is the battery drained?
Oftentimes, your Mac may not be in sleep mode. It is possible that its screen brightness might just be adjusted down lower. It is also likely that your MacBook is just turned off. Simply adjusting the brightness or switching on your Mac can resolve your sleep-wake failure nightmares.
2. Switch Off Your Mac and Turn It Back On.
How to install developer apps mac. This step involves forcibly turning off and then turning on your Mac. Doing this will allow you to access your computer again and possibly fix your sleep-wake failure problem. To force-restart your Mac, follow these instructions:
3. Perform an SMC and NVRAM Reset.
Performing an SMC and NVRAM reset is a common troubleshooting technique used to fix display and power issues. If your Mac repeatedly gets stuck on a blank screen every time you wake it up from sleep, you should try resetting the SMC and NVRAM.
Here’s how to perform an SMC and NVRAM reset:
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4. Reinstall MacOS.
If you’ve already adjusted your display’s brightness, checked your connection, and performed an NVRAM and SMC reset yet your Mac continuously wakes up to a black screen, you might need to reinstall your macOS.
Apps Randomly Open When Mac Is In Sleep Mode Coming Out
Don’t worry, because you can always reinstall your macOS without having to format your computer completely. The general rule of thumb, however, is to have a backup first before resetting your OS. You’ll realize the importance of a backup once you experience data loss.
5. Disable System Hibernation.Apps Randomly Open When Mac Is In Sleep Mode Going
Aside from the sleep mode, your Mac also has a hibernation mode, which is also optional. The hibernation mode is a helpful, preventive feature that allows you to keep data in the event when there is no power. However, even without this mode, you can still proceed with your daily tasks.
If you don’t need to hibernate your Mac and you frequently have problems with waking up your computer from sleep, try disabling the hibernate mode. To do this, run these commands in your OS X Terminal: https://renewpixels717.weebly.com/blog/plotly-app-for-mac.
These commands will disable the settings of the hardware that are responsible for activating the hibernate mode. If you ever decide to activate this setting again, simply run the commands in your OS X Terminal, but this time, change the value 0 to 1. Macos app amphetamine allow display to turn off.
6. Reset Your Mac’s FileVault.
It is possible that a glitch is stopping your system from retrieving all necessary contents and files on your hard drive, which are required to wake up your Mac from sleep. As a result, conflict arises between your full-disk encryption protocols like FileVault and your system crashes when it wakes up.
To resolve this issue, try disabling your full-disk encryption protocols. Next, decrypt your hard drive using third-party tools. After that, re-enable your full-disk encryption protocols. See if this solves your problem.
7. Get Rid of System Junk.
System junk, including cache files, broken downloads, diagnostic reports, and unwanted file logs may have built up in your system over time. If not removed, they can take up valuable space in your drive and worse, interfere with your system activities.
To get rid of system junk, you need to download and install a third-party tool like Outbyte MacRepair. Use it to run a quick scan on your system, empty your trash bin, and delete any unwanted files from all common locations.
What’s Next?Apps Randomly Open When Mac Is In Sleep Mode Come Out
Are you still having problems with waking up your Mac from sleep? The best thing you should do is to contact Apple’s support team or bring your Mac to the nearest Apple Store for service.
Though it rarely happens, it is possible that a hardware problem is keeping your Mac from waking up from sleep. Just make sure you contact authorized support or a legit repair center for the best results.
Let us know what solutions helped you solve your Mac sleep-wake failure problems. Comment them below!
If you’re running into errors and your system is suspiciously slow, your computer needs some maintenance work. Download Outbyte PC Repair for Windows, Outbyte Antivirus for Windows, or Outbyte MacRepair for macOS to resolve common computer performance issues. Fix computer troubles by downloading the compatible tool for your device.
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