Jun 08, 2020 • Filed to: Solve Mac Problems • Proven solutions
20 common Mac OS X problems solved. By Adam Banks. The software is built into OS X 10.5 and later, and the only hardware you need is a USB or FireWire hard disk. Yet it's easy to fix once. One of the reasons many of us use a Mac is that most of the time, to coin a well-worn phrase, it just works. We don't have to spend hours dealing with driver updates, fixing problems caused.
Computers normally restart due to various hardware and software anomalies. The problem may be critical, or simply due to low memory on your Mac. This article will show you 6 different ways in which you can fix the “Your computer restarted because of a problem” error.
Part 1 - Why Does Mac Keep Restarting Because of a Problem?
Your Mac could be restarting because it has corrupted system files, low memory or the software you are using has errors. This is quite common, especially when working with older computer models using the latest tools.
The Error Message of “Mac Keeps Restarting”
This error is also referred to as “Kernel Panic”, and occurs when MacOS detects a problem with the operating of your computer. This could be because of faulty software or hardware. You will get a popup warning declaring that 'Your computer restarted because of a problem'.
There is no need to worry as there are simple ways to deal with this problem.
The Possible Causes of Mac Restart Error.
- Using outdated MacOS
- Software-related errors
- Faulty peripheral devices
- Deep-rooted errors
- Login issue
If you do not regularly update your MacOS, you may get Kernel Panic errors regularly. You should let your operating system update automatically.
Sometimes the error may be caused by the software that you are using. Downloading software from uncertified providers can compromise the integrity of your computer, leading to “Your computer restarted because of a problem” error.
An accessory or peripheral device that you are using on your Mac can be another cause of the looping restart error. The fix for this is quite simple; switch off the Mac and then disconnect all peripherals on your computer, such as printers, fax machines, mobile devices, etc., and then restart your computer. To find the faulty device, connect them one at a time to isolate the one causing the error.
There are times when the looping restart is caused by deep hardware or operating system errors. One way to fix this is to completely reinstall your MacOS then see if the error recurs. You may also require a hardware diagnostic tool to find out which hardware is malfunctioning on your computer.
When using the login accounts, the mac may run into kernel panic due to small errors when starting the computer. The problem can be resolved by resetting the NVRAM and PRAM. Hold down the Option, Command, P and R keys simultaneously for about 20 to 30 seconds. Then reset the System Management Controller (SMC) and your computer should be back to normal working conditions once again. Resetting the SMC differs from one Mac to another so check the process for your particular model.
Part 2 - 6 Ways to Fix “Your Mac Computer Restarted Because of a Problem”
The steps listed below will help you identify and solve hardware and software issues that cause Kernel Panic in Mac.
Solution 1 – Identify and update malfunctioning software
Outdated software is prone to creating errors such as Kernel Panic. Updating it will solve the problem.
- Carry out software updates on your Mac
- Restart your Mac
- If you cannot update the software, uninstall it or use a third-party software uninstaller to remove all instances of the problematic software. Reinstall the software once more.
Solution 2 - Reset disk permissions
This resets all system file use on your Mac.
A) For OSX Yosemite and older versions
- Hit “Cmd + R” to restart the Mac
- Open the Disk Utility feature
- Now choose “First Aid” followed by “Repair Disk Permissions”.
B) For MacOS Sierra or OSX El Capitan
- Launch CleanMyMac X
- Choose the Advanced Maintenance option
- Complete repairing the disk permissions
Solution 3 – Free up disk space
Ideally, you should have at least 20% of your total disk space free to kernel panic. This is due to having low physical and virtual memory, which your Mac needs to run efficiently.
- Go to the Apple Menu and choose “About This Mac”.
- Click on the “Storage” tab to see how much free storage you have.
- If it is low, then you need to delete unnecessary files, such as pictures or videos.
- You may also run CleanMyMac X to free up more space.
Solution 4 – Use the Disk Utility feature
Disk utility is a nifty inbuilt feature used to fix errors on your Mac.
- Click on the Apple menu and then select “Restart”.
- Immediately hit the “Cmd + R” keys on your keyboard once the Mac restarts.
- Now click on “Disk Utility”. And choose “First Aid”.
- Follow the on-screen prompts to find and fix errors on your Mac
Solution 5 – Disable unnecessary startup items
At times, some startup tools which you do not need serve to clog up your Mac processor. This may make it sluggish, leading to a “Your Computer restarted Because of a Problem” error.
- Select the Apple menu and then go to 'System Preferences'.
- Choose “Users & Groups” and then choose your user account from the list.
- Now click on the “Login Items” tab to get a list of startup items.
- Choose the startup item that you want to stop and then select “-“.
- Now restart your Mac and the kernel panic issue will be solved.
NOTE: To determine which startup program is causing the kernel panic, you should disable each one at a time, before rebooting the Mac. Download mac software for windows. Sometimes the problem may be due to a single item, which means you do not have to disable all of them.
Solution 6 – Repair corrupt MacOS files
At times, the kernel error is caused by corrupted MacOS files. The only way to fix this issue is to reinstall the MacOS version that you are using.
- Shutdown and restart your Mac and then Hold the “Cmd + R” keys to enter the “MacOS Utilities” feature.
- Now select “Reinstall OS X” or “reinstall MacOS” depending on the version you are using. Once the OS has been reinstalled, restart your computer once again.
Recover lost files with Recoverit Mac Data Recovery
You may lose some files when your computer restarts automatically due to the kernel panic. In this case, use Recoverit Mac Data recovery to get those files back.
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Features of Recoverit Mac Data Recovery
- Recover more than 1,000 file types with ease
- Recover files without losing any quality, especially when it comes to photos, videos, and audio.
- It is easy to use, and you can recover the files in three simple files from the intuitive interface.
- You can preview lost files before you save them so you only recover the important files.
- Recover files from multiple devices such as internal Hard Drives, SD Cards, Cameras, and External Hard Drives.
A step-by-step guide to recover lost files using Recoverit Mac Data recovery
Step 1. Pick the location
Launch Recoverit to access the home page. Now choose the drive, device or external storage device to scan for lost files.
Click on “Start” to start scanning the desired location and find lost files.
Step 2. Preview the recovered files
After scanning, you will be presented with a preview of each of the recovered files. Check each file and decide which ones need to be restored.
Step 3. Save the recovered files
Once you have previewed the files, simply click on “recover” and then choose a new loaftion to store the files. This avoids corruption of the files, which may occur if they are saved to the same location.
Part 3 - Learn and Fix Different Mac Computer Restart Errors
Mac can present you with different errors when you restart or reboot the system. Here are some rare Mac restart issues and what you can do to resolve them.
1) Mac stuck on Loading Screen
This occurs when your Mac cannot progress beyond the loading screen. This may be caused by any of the following
- A stacked SMC or PRAM component
- Missing boot resources
- Damaged Harddisk
- Virus infection
- Outdated OS
Fix this issue by using “terminal” to check your file system. You must first reboot into Mac in “Recovery Mode”.
- Restart your Mac and hit the “Cmd + R” keys
- Go to “Menu > Utilities” and then click on “Terminal”.
- Finally, type in '/sbin/fsck –fy' and then hit enter.
2) Mac stuck on Green Screen
This occurs when you start your Mac, and instead of progressing to the desktop you get a blank green screen and nothing else.
This may be caused by
- Faulty hardware, firmware or bootloader
- Not enough space on your Mac
- Virus infection
- Missing screen drivers
To fix this issue, you should start by deleting the Trash Bin and Cache to free up space. Start by rebooting into safe mode and then cleaning up these locations and any other unnecessary files.
- Restart your Mac and hold the Shift key to reboot in “Safe Mode”.
- Enter the admin account; select the Trash icon in the dock and then right-click followed by “Securely Empty the Trash”.
- You may also use the Finder and navigate to “Library > Caches”. Empty the cache to free up space.
3) Mac Frozen Screen
This issue is different from the Green Screen in that it refers to occasions when the screen will freeze even when you are using the Mac normally after booting properly.
This may be caused by:
- Faulty software
- Faulty peripheral devices
- Hardware problems
You can fix this issue by going through several channels.
- Force restart the Mac by continually pressing the Power button till it goes off.
- Disconnect all peripheral devices and see if the screen will unfreeze
- Reboot into safe mode by holding the shift key when starting the Mac
- Reset the PRAM by pressing the P, R, Option and Command keys at the same time when you restart the Mac
- Use disk utility to repair the disk.
Recoverit Mac Data Recovery
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This powerful tool can help you recover files that may be lost due to kernel panic issues. It can recover more than 1,000 file types from various storage and mobile devices.
It allows you to quickly scan for lost files using three simple steps. If you do not get the files using the normal scan, you can use the “All-around scan” to search deep into the disk. This joins fragmented files and helps recover the files.
- Start by launching Recoverit Mac Data Recovery
- Choose the location that you want to scan
- Preview the files and then save them to a different location on the disk or external disk.
Part 4 - How to Prevent “Mac Restarted Because of a Problem”
1. The Normal Process of Restarting Mac Computer
![Mac Mac](/uploads/1/2/6/4/126403681/938571857.jpg)
There is a correct and incorrect way of restarting your Mac. If you do not want to damage your hard disk or corrupt the boot files, use the methods defines below.
- Choose the Apple + restart
- Use the “Power” button (or use Control + Eject)
- Use the Control + Command + Eject (or Control + Command + Power) buttons
Click the Apple Menu and then select restart. This is the simplest method of restarting your computer and it is normally safe.
Use this when the screen has frozen up and you cannot access the Apple Menu. This will cause your Mac to Hard Reboot and may lead to some data loss
Once again, this method is used when the screen has frozen up. It does not rely on the MacOS operating system and is therefore safe since it will not affect the files required for a proper restart.
2. Tips for Rebooting Mac Computer without Problems
When you get the “Your computer restarted because of a problem” error, there are safe and simple ways in which to restart your computer and troubleshoot the problem.
- “Shift + Up Arrow” – this is a short cut to restart in safe mode.
- “Option” – Allows you to select a startup disk.
- “C” - Allows you to reboot from a USB drive or DVD.
- “D” – Runs the Apple Hardware Test or Apple Diagnostic Mode to check on hardware issues on your Mac.
- “Option + D” when connected to a Wi-Fi connection, it runs the online version of the hardware diagnostics in the point above.
- “N” This restarts the Mac from a compatible NetBook server.
- “Option + N” – This restarts it from a NetBook server through a default image.
- “Cmd + R” - This enters the OS Utilities where you can reinstall, repair and restore the MacOS.
- “Cmd + Option + R” – This allows you to restart into the online OS utility feature.
- “Cmd + Option + R + P” - This resets the PRAM and NVRAM which helps clear some screen issues, and startup disk faults.
- “Cmd + S” - This is for troubleshooting
- “T” – This lets you mount a Mac as a drive for a separate Mac.
- “X” – This restarts from the OS startup volume
- “Cmd + V” – This is called verbose mode and is used for troubleshooting.
Closing Words
The steps detailed in this tutorial will help you fix the “Your Computer Restarted Because of a Problem” error. You may also use Recoverit Mac data recovery tools to recover any files that may have been lost when the Kernel Panic error occurred.
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Stuttering, freezing or improper audio and video synchronization indicates that your AVI video file is corrupt. The most common reason as to why an AVI file gets corrupted is incomplete information caused by interruptions while playing or transferring the file. Read this write-up keenly to learn how to repair corrupt AVI files on Mac.
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When the AVI file gets corrupted, it fails to play and prompt various errors. Let’s look at some of the causes that lead to corrupted AVI files on Mac:
- Frequently changing the file format to temporarily fix the video leads to corruption and inaccessibility
- Interruptions while playing the video or forced system shutdown also leads to AVI header corruption on Mac
- Interruptions while transferring AVI videos to another Mac system or an external storage device corrupts the file
- Temporary modifications to play the AVI file on an unsupported media player leads to corruption of your AVI video on Mac
When your AVI video file gets corrupted, it turns unplayable or choppy. However, AVI files that are not playing can be fixed using a professional AVI repair tool like Remo Repair AVI. This tool fixes corrupt AVI files on Mac without modifying the original file as this tool is built only for read-only mode. The user-friendly interface of Remo Repair AVI lets you fix your AVI files on Mac without involving any technical or complex steps.
Tool to Repair Corrupted AVI Videos on Mac
VLC Media Player for Mac is capable of fixing corrupt AVI files on Mac for free by changing Preferences of the VLC player.
- Open VLC player, go to Preferences and select Show all
- Expand Demuxers and click on AVI
- Select Always fix from the Force index creation dropdown and click Save
Your corrupt AVI file on Mac will be fixed in no time. If this did not fix your corrupt AVI file on Mac, using a professional AVI video repair tool on Mac is highly recommended. Follow the below-mentioned steps of video repair tool and your AVI file will be fixed easily in no time.
Repair Corrupt AVI File on Mac Using Remo Repair AVI Mac
Remo Repair AVI, an award-winning tool that creates a copy of your original AVI file to keep it from modifications. The tool separates the audio and video streams of your corrupt AVI file to fix them and re-joins to create a corruption-free playable AVI file. This tool can fix AVI video files on all Mac OS versions including the latest El Capitan.
Note: You can also repair corrupt AVI files on Windows OS using the Remo Repair AVI Windows version.
Download, install and launch Remo Repair AVI on your Mac to start the repair process.
Step 1: Click on Browse to select the corrupted AVI file.
Step 2: Click on Repair button once you have selected your unplayable AVI file to start the repair process.
Step 3: Once the AVI video is repaired, make use of the Preview feature to verify the video before saving it on any of your storage devices.
Conclusion:
Using Remo Repair AVI, you must have fixed the corrupt AVI file easily. However, if you have any queries regarding the product, make use of the technical assistance provided by the Remo Software team.