Press S or click Shut Down to shut down your Mac.Press R or click Restart to restart your Mac.Press Command + G or click Get started to fetch details about service and support options.Press Command + R or click Run the test again to repeat the test.When Apple Diagnostics finds any issues, it suggests solutions and displays reference codes.When Apple Diagnostics is aware of your language choice, it displays a progress bar to check your Mac (which may take a maximum of 3 minutes).(If the screen does not appear, then turn off firmware password if any, or hold down Option + D during restart to start the diagnostics over the Internet). Restart Mac and immediately press and hold the D key until Apple Diagnostics screen appears.Remove all external devices excluding AC power connection, display, mouse, keyboard, and Ethernet connection.Run Apple Diagnostics to determine a Hardware Issue To fix the crashing problem, go through the following troubleshooting procedures: A. Race condition for accessing system resources and storage disk by several apps.Inadequate CPU for handling processor-intensive tasks.Your Mac may crash due to several reasons, as follows: We will also help you recover a crashing Mac’s drive by using a Stellar Data Recovery Professional software for Mac in 3 simple steps.Ĭaution: Back up your data with Time Machine before troubleshooting macOS related issues. In this blog post, we will share guidance on using the various macOS default techniques to fix a frequently crashing Mac.

When you encounter frequent crashing on your Mac, you need to fix it soon to avoid permanent data loss. Mac is a robust system, however, due to technical glitches, macOS may crash (known as Kernel Panic).

My mac freezes at startup