28.12.2020

My Mac Takes Forever To Run Apps

My Mac Takes Forever To Run Apps Rating: 8,4/10 5172 votes

In general, it takes about 30 seconds for a Mac machine to fully startup, depending on the hardware configuration though. For example, Macs with flash storage (solid-state drive) load much faster than those with HDDs (hard disk drive).

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Clean up your login items: If your Mac is slow to start, it might be because it’s attempting to launch 20 apps at once. Open System Preferences, then select Users & Groups. Click the Login Items. 8 hours ago  MacOS 10.15.3 - Got the new Mac Pro back in January. Been totally great up until today. Geekbench and black magic disk speed benchmarks are totally normal, but all applications take FOREVER to start up. Startup applications take about 1 minute each to start up and complete, so the machine isn't fully started up for ages. From the menu bar, go to Apple System Preferences Software Update. Wait for your Mac to check for new updates. Download and install any updates it finds. Visit Apple’s Get Support website to get extra help with fixing your slow downloads.

Years back, ZolloTech did a comparison test on the startup time between an SSD-based MacBook Pro and an HDD-based one. The result? The MacBook with SSD only took 22 seconds to fully startup while the other was 49 seconds.

So, it’s pretty clear that a MacBook with an SSD is a lot faster than a traditional HDD. We thus highly recommend you upgrade the hard drive if your old MacBook is very slow on startup. See the best SSD upgrades here. How to check if your Mac is with an HDD or SSD? Just click Apple logo > About This Mac > Storage.

Now let’s go back to the topic of this post. If your MacBook Pro takes more than 30 seconds to boot, or even minutes, beware that your Mac may have performance issues.

We’ve found 6 possible causes and related fixes to boost MacBook startup times. Some fixes work better than others. We’ll show you all of them so you can determine why your Mac is slow on startup and figure out the best tune-up solution.

1. You just installed a new macOS

If you just updated your MacBook Pro to latest macOS Catalina (learn how if you haven’t done so), you probably have noticed that your Mac takes longer to fully load up and respond to general tasks. This is normal because some apps (especially Spotlight, and Photos) need to re-index or update its data.

How to fix: keep your Mac on for 24-48 hours, and restart several times after that. If that still doesn’t help, you may need to enable TRIM (more below).

Why Does My Mac Take So Long To Open Apps

Why this helps: apps like Spotlight and Photos usually need quite some time to re-index data. For example, Spotlight has to scan the internal hard drive and reindex all the files, likewise, Photos (formerly iPhoto) may update the while photos library as well. The process could take a significant amount of time to complete, and lots of system resources are required for the task. Once completed, your Mac’s overall performance would improve automatically.

If your MacBook Pro (with SSD) still runs slowly on startup, consider enabling TRIM and the whole process takes only a minute or so. This thread has more.

2. Your Mac has too many login items

Like a car, it can be much slower to take off to 60 MPH if you’ve got loads of heavy items in the trunk. The same goes with a MacBook Pro. Your Mac will take longer to fully boot up if it has dozens of login items and launch agents (i.e. applications and services that automatically launch every time you press the start button on your Mac).

How to fix: remove unnecessary Login Items.

  1. Click the Apple logo on the top left corner, then select System Preferences.
  2. Find Users & Groups and click on it.
  3. See the Login Items tab next to Password? Click it.
  4. Here you’ll see a list of apps that run when you turn on your Mac. Check the apps you don’t need, select the checkbox in the “Hide” column, then click the “-” icon.

You can also do so by using CleanMyMac, via the “Login Items” and “Launch Agents” features. By the way, some auto-startup services may not show up on Login Items, but you can find and disable them via Launch Agents within CleanMyMac. Here’s a screenshot:

3. Your Mac’s hard drive is nearly full

Nothing slows down a MacBook Pro more than having an almost full disk, even if your Mac is with a high-performance SSD. You’ll notice your Mac lags not only on startup, but during normal usage as well.

How to fix: clean up your MacBook hard drive until it has at least 20% free space.

The easiest way to get this done is to use a cleaning app such as CleanMyMac. It can save you tons of time locating those unused third-party programs, junk junks, and large old files that are safe for removal.

Meanwhile, if your MacBook Pro is filled with copies of backups and pictures, chances are you’ve got many duplicates or similar files. Try Gemini 2 to find those duplicates and delete them.

If you prefer to do this manually, start with checking those folders where you tend to save your pictures and movies. Then go to the “Applications” folder, sort apps based on last modified or used, remove those you no longer use. Don’t forget the web browsers — Safari, Chrome, and Firefox. Clear the web caches, history, and outdated extensions. Last but not least, transferring big files to your external hard drive would help lighten your Mac too.

4. Disk permission issues

MacOS system files are usually saved on a hard disk — primarily “Macintosh HD”. Disk errors can occur due to poorly designed third-party applications/add-ons, and when those errors add up your Mac startup can slow down, even worse, unable to boot up.

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How to fix: verify and repair disk permissions

If your MacBook runs OS X Yosemite or an older version, use the build-in Disk Utility. Learn the detailed step-by-step instructions from this Apple support guide. For Macs with El Capitan or later versions including latest Catalina, unfortunately Apple has taken away the disk repair functionality. Fortunately, you can do so with CleanMyMac (open the app > Maintenance > Repair Disk Permissions)

5. Corrupted preferences files

The preferences files on a Mac are those files that keep the parameters — i.e. rules that define how applications behave. If they are broken due to application crashes or hard drive corruption, your Mac will start up and run slowly.

How to fix: find and update those broken preferences files

They are usually stored in the ~/Library/Preferences folder. To fix them, you’ll have to delete them first and create new up-to-date preference files. Learn more from this MacObserver article on how to get started.

6. SMC and NVRAM need to be reset

If your MacBook is not only slow to boot, but together with some wonky issue such as trackpad doesn’t work (or not responding), can’t connect to Wifi, status light or battery acted abnormally. Then something is probably wrong with your Mac’s system management controller (SMC) or non-volatile random-access memory (NVRAM).

How to fix: resetting SMC and NVRAM

  • To reset SMC, see this official Apple guide.
  • To reset NVRAM, refer to this article.

Feedback?

Do you find the above diagnoses and solutions helpful? Did you manage to speed up the startup time on your MacBook Pro? If so, kindly let us know by leaving a comment below.

Back up your library

Before following any of these steps, it's a good idea to create a backup of your photo library, even if you use iCloud Photos. You can use Time Machine, use a third-party backup solution, or copy the library to an external drive. By default, your photo library is stored in the Pictures folder within your home folder.

My Mac Takes Forever To Run Apps Download

Make sure that your software is up to date

Photos is part of the Mac operating system. You can avoid or fix many issues by running the most up-to-date version of macOS. Learn more about updating the software on your Mac.

If you use RAW images in Photos, learn more about the digital camera RAW formats supported by iOS, iPadOS, and macOS.

If you have trouble migrating an existing iPhoto or Aperture library to Photos

You might see an alert message when you first open Photos or migrate an existing iPhoto or Aperture library. Learn what to do if Photos can’t copy or create a library.

If the Media Browser isn't showing your photos and videos

Can My Mac Run It

Use the Media Browser to make images from your photo library available in other apps, like Pages and iMovie. The Media Browser shows only the contents of the Photos library designated as the System Photo Library. If you have more than one Photos library—and the one you're using isn't set as the System Photo Library—the Media Browser won't show its contents.

Follow these steps to designate the current library as the System Photo Library:

  1. Choose Photos > Preferences.
  2. Click the General button at the top of the Preferences window.
  3. Click Use as System Photo Library.

If you're having other issues with Photos

If you're experiencing other issues—like missing or blank photo thumbnails, unexpected behavior, or if Photos won’t open—try to see if it's an issue with your library by following these steps.

My Mac Takes Forever To Run Apps Online

Create a new Photos library and see if your issues persist:

  1. Quit Photos.
  2. Press and hold the Option key while you open Photos.
  3. In the dialog that appears, click Create New.
  4. Give your new library a name, then click OK. Note whether Photos opens successfully with this new library.

To return to your main Photos library, quit Photos. Then open it again while holding the Option key, select your main library, and click Choose Library.

Mac Takes Long Time To Open Apps

How to uninstall app on mac yosemite. Alternatively, you can open Photos in another user account on your Mac and note whether Photos opens successfully.

If Photos opens with the new library, or in a different user account, it might mean that there's an issue with your library. Follow the steps to use the Photos library repair tool on your main Photos library.

Learn more

Mac Takes Forever To Open Apps

  • Learn how to create and order print products like books or calendars in Photos with Project Extensions.
  • Get help with iCloud Photos.