![]() It's advisable to perform a complete shutdown after your notebook Mac/iMac switches off randomly. Reboot your MacĪ random, unexpected shutdown doesn't close all the background processes and programs safely like a proper one, which may lead to future shutdowns. If you see any visible damages on the cable, replace it with a working one and see whether it stops your iMac from shutting down randomly. The same goes for the charging cable, which should be firmly plugged in. So check the power outlet and ensure that it's working. Check the power connectionįirst, you need to make sure your Mac is powered up properly to work correctly. Still, if your MacBook Pro keeps shutting down, read on to the solutions below. These steps have proven success from many users whose MacBook Pro shuts down randomly, and hopefully, you are one of them. ![]() Let your Mac charge uninterruptedly for 8 hours or more.Use your battery until it drops to 90% or below.If your Mac falls into the category, you can fix the crash using these steps provided by Apple: Apple has acknowledged the shutdown issue on some entry-level 13-inch models released in 2019 with a Touch Bar and two Thunderbolt 3/USB C ports. If your MacBook keeps shutting down with still battery charge left and won't let you use it until it's plugged in, you are not alone. What to do when the 2019 13-inch MacBook Pro shuts down randomly? Monitor your battery condition (notebook only) Here are the complete fixes to try when Mac keeps shutting down: What to do when MacBook/iMac keeps shutting down? Whatever the reason is, you can follow this complete guide on what to do when notebook Mac/iMac keeps shutting down. You can find a fuller list of shutdown causes in this post. Workaround: Press Alt+Cmd+Shift+Esc to kill all processes and restart. Previous shutdown code -128: Possibly about memory issues. Solutions: Reboot in Safe Mode/use another user account Previous shutdown code -61: Unresponsive apps causing iMac shutting down. Workaround: Run Apple Diagnostics to check hardware issues or check Mac's ventilation Previous shutdown code -3: Multiple temperature sensors exceed the limit. Workaround: Reset SMC/battery replacement ![]() Previous shutdown code 0: Power disconnected (power unplugged/battery issue) ![]() This may take a while as Mac skips info to find messages containing "Previous shutdown cause." When it finishes, note down the cause and check whether it fits one of these: You can replace the number 24 to trace back to when the shutdown happened. Step 2: Paste this command to view the shutdown event messages within the last 24 hours: log show -predicate' eventMessage contains "Previous shutdown cause"' -last 24h Step 1: Open the Terminal app from Finder > Applications > Utilities. If you want to investigate more about the issue, you can view the crash reports in Mac Console or get the information from Terminal by following these steps: If your MacBook turns off when unplugged, it likely has a failed battery or charging issues. If your iMac keeps shutting down when it sleeps or on startup, sleep mode settings or battery connection is more likely to be the suspect. If your MacBook Pro shuts down randomly after updating macOS (e.g., Monterey or Big Sur 10.15.4), you know it's most likely a software glitch relevant to the current macOS. ![]()
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