What Are Error Codes on Mac and How to Fix Them?
- Redacción
- Sep 8
- 3 min read
If you’ve ever experienced an error on your Mac, you know how unsettling it can be to see a technical message or, worse, a black screen with white text. These error codes in macOS are more common than you might think, and although they can look intimidating, most of them have clear solutions.
In this article, we’ll explore the most frequent Mac errors, what they mean, and how to fix them so you can get back to using your device without issues.
Most Common Errors in macOS
Kernel Panic
What is it?
A Kernel Panic occurs when macOS detects a critical problem it cannot resolve. It usually shows as a black screen with white text or a message saying: “Your computer restarted because of a problem.”
Possible Causes:
Hardware conflicts.
System extension issues.
Incompatible software.
Cow to Fix It:
1. Restart your Mac and check if the error persists.
2. Update macOS and your applications.
3. If the problem continues, disconnect external devices to rule out hardware conflicts.
4. Start in Safe Mode (pressing Shift at startup) to isolate the issue.
Disk Error: “Disk Utility Can’t Repair This Disk”
What is it?
This error indicates that your disk has integrity problems that Disk Utility cannot repair automatically.
Possible Causes:
Damaged disk sectors.
Disk overload with data.
Natural hardware wear.
How to Fix It:
1. Open Disk Utility and check if you can manually mount the disk.
2. Use First Aid mode to attempt repairs.
3. If unsuccessful, back up your data and format the disk.
4. If the issue persists, the disk may need replacement.
Startup Error: “Folder with a Question Mark”
What is it?
This error appears when you turn on your Mac and it can’t find an operating system to boot.
Possible Causes:
Corrupted operating system.
Startup disk failure.
Incorrect configuration in System Preferences.
How to Fix It:
1. Shut down your Mac and restart while pressing Command + R to enter Recovery Mode.
2. Select Disk Utility and check the startup disk status.
3. If unresolved, reinstall macOS from Recovery Mode.Si no se soluciona, reinstala macOS desde el modo de recuperación.
Memory Error: “Your System Has Run Out of Application Memory”
What is it?
This message appears when apps on your Mac consume more memory than is available.
Possible Causes:
Too many apps open.
Memory leak in an app.
Lack of storage space for virtual memory.
How to Fix It:
1. Close unnecessary apps using Force Quit (Command + Option + Esc).
2. Free up space on your hard drive.
3. Update macOS and your applications.
4. If the issue persists, consider adding more RAM to your Mac (if possible).
Network Error: “Wi-Fi: No Hardware Installed”
¿What is it?
This error occurs when macOS does not detect the hardware required to connect to a Wi-Fi network.
Possible Causes:
Wi-Fi card hardware failure.
Software issues after an update.
How to Fix It:
Restart your Mac and check if the problem is resolved.
Reset network settings from System Preferences > Network.
If it still doesn’t work, reinstall macOS or contact a specialist.
General Tips for Handling Error Codes
Back Up Your Data Regularly:
Before attempting any fix, make sure you have an up-to-date backup using Time Machine or a cloud storage service.
Update Your Software:
Many errors are caused by outdated or incompatible software. Keep macOS and all your applications updated.
Check Apple Support:
Apple has an extensive support database with guides to fix common errors.
Avoid DIY Repairs:
If you’re unsure how to proceed, it’s best to seek professional help to avoid further damage.
What to Do If You Can’t Fix the Problem?
When errors persist or the issue seems more serious, it’s time to seek professional help. At iProX, we have trained experts ready to diagnose and repair any problem with your Mac, from software errors to hardware failures.
Contact us today and give your device a second life.