2019 Complete Guide On How To Fix Frozen Mac

By MiniCreo, on July 4, 2019, in WeCleanse |

Q: Why my Mac keep freezing and how can I fix?

My MacBook Pro (mid-2015) has been frozen all at a sudden. It's stuck on the startup screen - Apple rainbow in the middle and spinning wheel. Does anyone know what causes the frozen of my Mac and how can I fix?

How To Fix Frozen Mac
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The modern Macintosh computer is equipped with up to 28-Core Intel Xeon CPU, 1.5TB of DDR4 ECC memory and monster-like AMD Radeon Pro GPU, all these overplus power source makes it impossible to get your Mac frozen, slow or even tiny sluggish. But on an elder Mac machine, freezing screen or unresponsive mouse cursor still is rare occurrence (Best Tips for Apps won't work on Mac Mojave).

Nevertheless, on this macOS Catalina upgrade season, if you feel your Mac freezes, the spinning beachball/rainbow wheel starts up, or you can't move your mouse or curser, can't use the keyboard, can't force quit, can't shut down, can't turn off, and can't log in, follow our 2019 Complete Why Mac Frozen and How To Fix Tutorial to find a solution.

Table of Content:

Why does Mac keep freezing?

Before continuing, it's worth mentioning that these are two common types of crashes and freezes on a Mac: Application crashes/freezes and System crashes/freezes. By knowing this, you'll understand how to solve particular types of frozen Mac with proper solution. So what may cause crashes and freezes on a Mac? Here are some main reasons you may have met.

  1. Application crashes/freezes is the most common reason that may freeze your Mac. Many situation may cause this issue, say Mac application CPU deploying bugs; resource-intensive applications that heavily use the CPU; not enough system memory for applications to run; or too many applications open at once using up a lot of memory.
  2. System crashes/freezes is more severe Mac frozen problem because this is system wild issue and you cannot unfreeze this Mac simply by quitting an app. When the whole system has become slow or totally unresponsive and you can’t even use the mouse.

Method 1: How To Fix Frozen Mac - Application Crashes / Freezes

There are a few basic troubleshooting tips that you can follow to solve the crashes, freezes and other slowdowns on your Mac. The following tips are fairly obvious but it's surprising just how many people neglect to keep their Mac robust (How To Clear Cache Junk on macOS).

  1. 1
    Frozen Mac Fix 1:

    If your app is frozen and unresponsive, force quit the app (you may lose unsaved changes). Choose Apple menu > Force Quit, select the app in the dialog that appears, then click Force Quit.

    How To Force Quit Frozen Unresponsive App Mac
    How To Force Quit Frozen Unresponsive App Mac
  2. 2
    Frozen Mac Fix 2:

    Check the app's documentation to see whether this frozen app is compatible with your version of macOS. Also give a check to see if an update is available.

    Check Mac App Update
    How To Check Mac App Update
  3. 3
    Frozen Mac Fix 3:

    Disconnect any peripheral devices you just connected (for example, an iPhone, a printer and eternal DVD drive). They may not be compatible with your version of macOS.

    How To Remove Printer / Scanner Drive Mac
    How To Remove Printer / Scanner Drive Mac

Method 2: How To Fix Frozen Mac - System Crashes / Freezes

It's not a usual case that a Mac gets crashed or froze. But if it happens, you should investigate the cause of the crash. If you encounter frequent freezes, check the following.

  1. 1
    Step 1:

    Check if your Mac has sufficient free hard drive. By default, once the hard disk space is running low, you'll get a warning message telling you the hard disk is almost full. Click Manage and take steps by following its recommendations.

    Your Mac Disk Is Almost Full
    Your Mac Disk Is Almost Full
  2. 2
    Step 2:

    Check the compatibility before upgrading to macOS Catalina beta, which so far is plagued with bugs and errors.

    Upgrade To macOS Catalina
    Upgrade To macOS Catalina

The Bottom Line

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Tags: Slow Mac   Mac Problems