If you feel that your Mac runs slowly after Mac OS Sierra upgrades, you are not alone. Many users of the system complained about performance issues on Sierra’s execution, so it is time to look through the solutions.
However, the main reason for the problem is not operational related. People keep asking themselves “why is my Mac so slow?” or “how do I speed up my Mac?” and there is not a right answer to these questions. Basically, Mac starts to run slower after the updating because the new OS requires more resources than the older version.
If the Mac has a few years of use, it begins to slow down. Sometimes for the aging of parts, the hard drive is too full, a lot of apps running in the background or other reasons. No matter what, the process on how to speed up Mac is very simple and is featured in the guide below.
Time Machine is Apple’s solution for backup and synchronization power. The software is able to securely manage a lot of data, even the ones you thought you lost. But, this option is put at first because you will only be able to restore your Mac and solve your speed problems if Time Machine was already settled up before the update.
If this is your case, then the following solution is pretty simple in how to speed up Mac. If it is not, then go through the next cases.
Now, you will be using Mac OS Recovery to revert to an earlier version of the system. Here is how:
Wait until the process is completed. By doing the steps, the disk you're restoring is erased and then receives the Mac OS and other contents of your Time Machine backup.
When started in Safe Mode, your Mac is checked out. The advantage of using it is noticing if there are any improvements in the system performance while Safe Mode is running. In the positive case, after you restart, any directory issues or cache files will be gone. It is a great option for tests and diagnostics.
It's not usually known that Mac’s processor can often rely on hard disk space to compute data. In fact, your hard disk is able to act like a secondary RAM to your Mac. It is very important, then, to keep a clean and organized disk file, with as less unusable data as possible. If your hard drive is full or choking up, you need to learn how to speed up your Mac by deleting its extra data.
The high usage of memory space, however, is an easy problem to solve, even though it is one of the main causes of slowness. The options to free a lot of data are:
In this way, you clean the entire system leaving a Mac that operates fast and a Mac OS Sierra that will run very smoothly.
Every time you start up your Mac, several apps, add-ons and invisible process start to run in the background. Many of them are useful, indeed, but it might get something there that you don’t actually always need to open. By controlling and managing your Login Items, you will have a better performance and a faster boot.
Note: make a list of the login items you want to keep and save somewhere.
For last, check if one of the login items causes any startup or performance problems after it's added. This process guarantees that you will know which application is affecting the Mac and why Mac runs slowly after the Mac OS Sierra upgrade.
The folders mentioned below can be altered in order to remove unnecessary files to speed up your Mac:
You can delete a few files in the folder, but it is absolutely necessary that you know which ones you are deleting and how it affects your startup and login processes. So, unless you have 100% sure, be careful.
Disk Utility’s First Aid feature serves to verify the operation of a drive and, if needed, perform repairs to the drive's data structures. You are able to use Disk Utility’s First Aid on your Mac’s startup drive, however, in order to complete any repairs, the selected volume has to be unmounted.
The problem is that Mac’s startup drive can’t be unmounted when it is in use, which means you will have to start up the Mac from another bootable device (with any copy of OS X installed or using the Recovery HD volume created by the system).
After doing that, you should go to “Applications > Utilities > Disk Utility” and perform a live test, checking for possible issues on the disk. If the verification points out that it needs repairs, then you change to the bootable device and runs the First Aid again. For more types of errors or complications that may appear during the reparation process, visits Apple’s website support.
Of course, you don’t want your Mac to be outdated, but receiving updates from all applications means your system will be constantly processing new features and using a lot of its capability. Gladly, with a few steps, you are able to disable the automatic update option and choose by yourself when to download the app’s packages.
Many users have the habit of storing tons of files on their desktop, which leads to a messy area, full of files, folders, and other stuff. This kind of action can slow down Mac’s performance, so try to keep your desktop as much organized as possible.
For the users that have a completely messed desktop, there are two options: the easiest one, consists in drag and drop everything from the desktop to a new folder; and the hardest, where you can organize all your files and see what you really want to keep. In both ways, cleaning your desktop is always a good choice to speed up your Mac.
The Apple’s design effects sure look great to the user experience, but, at the same time, they can lead to a reduction of performance too. In macOS Sierra, this eye-candy effects can be turned off, resulting in a high-performance increase. To disable the effects, check below:
This procedure will have an immediate effect on the appearance of Mac usability, with fewer transitions and details, but resulting in a speedier Mac.
When resetting your Mac’s SMC or NVRAM/PRAM, you do the called “soft resets”, meaning that no user or important data is deleted. The reseats serves to reestablish connections between software and hardware compounds.
The NVRAM (nonvolatile random-access memory), who once was named PRAM (parameter random-access memory), is a small amount of special memory contained in Mac. The memory is required to store certain settings and reseating it you can handle screen resolution, boot or battery cycle issues.
As you can imagine, by fixing any of the pointed problems, you can overcome performance issues in your Mac that runs slowly after Mac OS Sierra upgrade. To see the detailed instructions on how to reset SMC and NVRAM, check Apple’s website resources.
If you don’t already possess an SSD on your Mac, you should seriously consider this hardware upgrade (in case it is affordable). An SSD is countlessly faster than a traditional driver, being completely digital and resulting in faster operating times. The SSD’s information is retrieved in a fraction of the time of a traditional hard disk.
Note: if you get an SSD, you must install your Mac OS Sierra on it. Also, try to get the larger SDD you find, since the freest disk space you have, the better your Mac’s performance will be. Updating to SSD technology is one of the best solutions on how to speed up Mac.
If you tried all the options above and you’re still feeling that Mac runs slowly after the Mac OS Sierra upgrade, it’s a good choice to consider reinstalling the system. You can restore your Mac to its factory setting by erasing your Mac data, then reinstalling Mac OS using the native recovery disk.
Before you try the guide, make sure to back up your essential files. Also, if the reinstallation is on a portable computer, check if the power adapter is plugged in. Knowing this, follow the steps below:
All the presented solutions may or may not work, depending on which issue is. But, whatsoever, it is a complete guide and the 12 tips should allow you to learn how to speed up Mac. If your Mac runs slowly after the Mac OS Sierra upgrade, with all the steps, your system will easily transform from a turtle to a rabbit and responsive Mac, very joyful to use.
But remember: time over time, problems that can slow down Sierra will show up. When it happens, at least you already know what to do.
Due to macOS High Sierra (macOS 10.13) requirement, Mac users are not allowed an access to the built-in system drive from any apps. Therefore, if you need to restore lost data from the system disk under macOS 10.13, please "disable System Integrity Protection" first.
How to disable "System Integrity protection"? Please follow the steps below.
Step 1Reboot the Mac and hold down"Command + R" keys simultaneously after you hear the startup chime, this will boot OS X into Recovery Mode.
Step 2When the "OS X Utilities" screen appears, pull down the "Utilities" menu at the top of the screen instead, and choose "Terminal".
Step 3In the "Terminal" window, type in "csrutil disable" and press "Enter" then restrart your Mac.
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