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  1. Clear The Mac Cache
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To clear RAM on Mac, you will have to keep Chrome’s task manager in check. It can be used to force quit the heavy processes in the browser which uses the RAM. It will directly reduce CPU usage. Just open the Chrome settings, click on More Tools and you will find the Task Manager there. Click on the GPU Process option and press the End process. With its clean, colorful interface and intuitive swipe controls, Clear makes managing to-do lists across multiple devices lightning-fast and almost effortless. Its rainbow-hued checklists are like miniature works of art, making it simple to tell at a glance what you need to do and how urgently you need to do it.

Sep 28, 2020 • Filed to: Solve Mac Problems • Proven solutions

Clear The Mac Cache

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Case: My Mac has slowed down and I am experiencing performance issues. I think that RAM on my system is being used to its maximum. So, can you tell me how to free up RAM on Mac?

Recently, many users reported that their Mac is running very slowly and applications are not functioning properly as usual. If this sounds you, then you have come to the right page. There is no doubt that it is quite annoying to see your Mac system is running out of application memory or other memory problems. Well, these are all indicating that RAM, your memory, is being utilized to the max. Thus, you need to clear your memory on the Mac.

In this post, you will get to learn how you can find, clear, and reset RAM on your Mac. Plus, we have shared several helpful tips to clear RAM Mac and what you can do to resolve RAM problems on Mac with ease.

Part 1: Basics of Mac RAM and RAM Usage

RAM or random-access memory is a type of computer data storage used to store machine code and data that are used currently. In other words, it provides storage for ongoing processes and tasks. This type of data storage enables data files to be written or read in the same quantity of time regardless of the physical location.


Wonder what's the difference between the RAM and the rest of the Mac storage? Then, it is that the former is quite faster and that's why Mac systems are designed to store certain items in RAM to boost things up.

Most Mac systems are shipped with almost 8GB RAM, even though a few older Mac models come with only 4GB RAM. Also, this may be enough if you don't operate games and applications that consume too much memory.

The amount of RAM on your system can be easily upgraded to a bigger or larger size to enhance the performance of your computer. However, there are several advantages for increasing the amount of RAM Mac on your system, which includes:

  • Online advantages

Irrespective of how fast your internet connection is on a system, the amount of RAM can affect the performance and speed on the web. These days, modern web pages generally require the utilization of flash animation that consumes a large amount of RAM. An increased RAM will load pages faster and also, make the pages look more impressive.

  • Gaming advantages

No doubt, it is common for an intermediate game to think about buying a brand new and ultra-expensive video card to improve their gaming experience. But, you would have really wasted your money when you could buy more RAM. Well, the extra RAM offers smoother transitions in-game and thus, allows you to faceless lag.

Part 2: How to Find RAM on Mac


Do you want to know how much memory (RAM) is installed in your Mac system? Well, it is also the first step to reset and clear RAM on the Mac. It is also important to keep track of your RAM usage as it stores the instructions and code for OS X and applications currently running on your Mac. Also, if you know how much RAM you have on your system, then you could manage how to use the system.

To learn how to find RAM on Mac, you need to follow the below steps:

Clear For The Mac

Step 1: To begin with, choose 'About This Mac' from the Apple Menu. Then, you need to click on the 'Overview' tab.

Step 2: Now, you will see the window where you can find the amount of RAM installed on your system.

To check how many memory slots are there in your system, you can tap on the System Report to open the system information. Then, tap on Memory and you will get to see the installed memory and also, number of memory slots in the right panel.

Part 3: How to Reset RAM on Mac

Depending on your Mac age, it includes a small amount of special memory known as PRAM (Parameter RAM). Your Mac uses this store setting to control and manages the configuration of numerous devices and systems. The PRAM utilized a small dedicated battery to keep the RAM installed on your Mac power up at all times.

A lot of Mac users don't know much about their system's parameter RAM. However, it keeps track of numerous things, which include

  • speaker volume
  • display settings
  • startup volume
  • time zone
  • computer name
  • keyboard language
  • backlight levels
  • location services status
  • And much more.

When your Mac system starts up, it first checks this parameter RAM to analyze to boot from which volume and how to set up other vital parameters. Rarely, the data saved in the parameter RAM is bad that can lead to numerous problems with your system, which include - wrong time zone or display problems, wrong startup volume, etc.

Wonder how does the parameter RAM goes bad? Well, as we told earlier, it rarely goes bad. In fact, the data it contains gets damaged or corrupted somehow. There are a lot of reasons behind this and one of the common reasons is dying or dead battery in Mac systems using PRAM. Plus, things can also go wrong when you try to upgrade your system with new hardware or modify startup volumes.

The best way to resolve issues you face on your Mac is to reset the parameter RAM to its original or default state. Keep in mind that this will erase some data, especially, the time, the date, etc. The good news is that you can easily change or correct these types of settings from Preferences on the Mac.

To learn how to reset RAM on Mac, follow the below steps:

Step 1: To begin with the process shut down your system.

Step 2: Next, turn your system back on in a while.

Step 3: Now, press and hold down keys 'Command + Options + P + R' the right away. These are the four keys - the command, the option, the letter P, and the letter R.

Note: You need to press and hold down all these four keys before the gray screen appears on your screen during the startup procedure.

Step 4: Don't release the keys and continue holding them as it is a long procedure, during which your system will restart itself.

Step 5: You can release these four keys when you finally hear the second startup ring and your system will complete the startup process.

That's how you can reset RAM on your Mac. Wonder what to do next? Once your system is done with starting the process, you can set the time zone, choose the startup volume, and change any display features using the System Preferences.

Part 4: How to Clear PRAM on Mac

If you look into the Activity Monitor, you will know how the applications installed on Mac affects the RAM. Activity Monitor will tell you 'how much RAM does my Mac have'. From cached files to used memory, everything is displayed inside the Activity Monitor. There are following types of memory that can be cleared out to improve the RAM performance:

  • App memory- taken by the applications and the processes
  • Wired memory- reserved by the apps which can't be freed.
  • Compressed memory- which is inactive and can be used by other apps
  • Swap used-the memory used by macOS
  • Cached Files- a memory you can use.

So, if you want to clear the RAM on Mac, you will have to keep all this memory space in check. So, we have gathered a few methods that would help you to reduce the RAM usage.

1: Remove Login Items to Lower Mac Memory Usage:

Login items are the ones that load automatically when Mac startup. Some of the apps add themselves to the automatically loading list and they are the apps you should delete from the list. Prevent additional or useless apps on Mac from accessing the resources and this will prevent the extra usage of RAM.

2: Tune Up Chrome's Task Manager:

To clear RAM on Mac, you will have to keep Chrome's task manager in check. It can be used to force quit the heavy processes in the browser which uses the RAM. It will directly reduce CPU usage.

Just open the Chrome settings, click on More Tools and you will find the Task Manager there. Click on the GPU Process option and press the End process button at the bottom of the window. This will free up a considerable amount of RAM on your device.

3: Clean up the Desktop:

Another thing that you should try to learn how to lower RAM usage is cleaning up the desktop. Keeping lots of files on the desktop creates clutter. And the Mac system is designed to consider the Desktop as a little active window. So, the more number of icons means the heavy amount of memory usage. Thus, it is recommended to clear your desktop every now and then to keep the RAM in optimal condition.

4: Free Up Disk Space:

Look out for the Disk space too. If you see RAM usage on Mac is more than it should be, then you need to free up the disk. When the main memory runs out, the system depends on the hard drive space to keep your apps going. It is a classic rule to keep at least 20% of the disk space free on the startup drive.

Delete the large unused files like movies, old download, rarely used applications, and system junk too.

5: Keep the Finder Windows to Minimum:

One other trick up your sleeves is to decrease RAM usage by avoiding opening multiple Finder windows at the same time. It is no secret that Finder eats up lots of RAM and they can collapse anytime. Either close the windows after the work is finished or merge them into one to save RAM.


Part 5: How to Fix RAM Problems on Mac

RAM is an important part of any computer, which includes Mac too. When you try to launch an application on your system, it needs a portion of the available RAM to run. Thus, serious issues can occur if the problems reside within your system's memory.

1. RAM problems or symptoms

Even though experiencing problems related to RAM is very rare, it can cause various other problems on your system if RAM error occurs. Thus, if there is anything unusual or wrong with your memory or its related components, then you will experience the following things -

  • Your Mac system may begin normally, but when you try to do any task on your system, then you may face performance issues, although you are having enough RAM capacity. For instance, small applications may take too much time to run or even a simple webpage may load slowly or hand. Ultimately, your system performance becomes unresponsive or slow.
  • Your system restarts randomly when you are doing some tasks in your system or freezes sporadically. Also, it may reboot right away upon running the desktop and it is also a sign of RAM that is faulty.
  • Another RAM problem is experiencing blue-screen errors that are quite annoying and frustrating, You will see the blue screen along with some white text flashes before you restart your system. Here, you even don't get a chance to read and check the error message and bad RAM could be the reason behind these errors.
  • Files, especially you access and store quite often get damaged or corrupted unexpectedly. RAM problems can cause this problem that becomes worse over time. Plus, the file structure of your system hard drive may degenerate and you will then face problems while booting your system.
  • Your attempts for installing a new application fail repeatedly for unknown reasons. Also, you attempt to reinstall the OS, but keep receiving error messages.

These are common signs of faulty RAM problems and issues on your Mac. Wondering what are the main reasons behind RAM problems? Well, there are several reasons for this. For instance, excessive heat can lead to this problem, or your memory component may have an issue.

2. How to fix RAM problems

If you are facing some symptoms that indicate faulty RAM, then there are numerous ways you can test your system's RAM so that you can ensure whether your memory is available and healthy or not.

The good news is that there is an Apple's in-built hardware tests suite you can use to test your system's RAM. You can access it by pressing and holding down the D key while restarting your Mac. This will load and launch the diagnostic suite.

In the case of older Mac systems, this program has a blue interface along with information about your system and a Test button. You need to check the box 'Extended memory text' to test your RAM and then, tap the 'Test' button. In the case of newer Mac systems, the tests will run automatically when the program is invoked and it has a gray background.

If the tests find out any faulty memory, then it will show the faulty memory addresses. But, if everything is fine or Ok, then you will get a message that shows all tests are passed and no issues were found.

What if tests show status not Ok and there is a RAM problem? Then, how to fix RAM problems? Well, you may have to purchase a new RAM unit or replace it. However, there are a few things you can try to fix the RAM problems on your system -

  • If you find that the issue is within your module, then you can buy a new one or change it.
  • If RAM modules or components are Ok, but the issue is within your RAM slot, then you will have to contact with system manufacturer customer support.
  • Sometimes, simply reconnecting the RAM components can resolve the problem, but temporarily.

These are some ways that you can try when you experience faulty RAM symptoms.

Lost Files? Use Recoverit

What if you somehow accidentally delete your important files during the reset or clear RAM process? Then, all you need dedicated and reliable data recovery software like Recoverit Mac data recovery. With the help of this software, you can easily get back your lost files, such as photos, videos, documents, audios, etc via the click-through process.


That's all on how you can clear, find, and rest RAM on Mac. We hope that this guide helps you to provide the answers to the questions related to Mac RAM you're looking for. No doubt, experiencing bad RAM symptoms is quite annoying, but you can try its fixes mentioned above in the guide. If you have any further doubts, feel free to ask us in the following comment section.

What's Wrong with Mac

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Have you ever wondered why your Mac is running slow? Does it freeze when performing even just the simplest of tasks? Does it take a while to launch and switch programs? Everybody has gone through this excruciating pain at least once.

Even though the Mac is known to be a high-performance machine, it disappoints us sometimes as it slows down over time. There are numerous reasons why this happens. The main reason is a full hard disk. The more available space your Mac’s hard disk has, the more efficient your Mac will operate.

You may ask why your hard disk runs low on space. One of the culprits could be your hard disk cache has become loaded with unnecessary files.

What is Cache?

Cache files are data saved by browsers, systems and applications on your hard disk to guarantee a smooth user experience. It is mostly used to speed up processes.

For instance, Safari will load images on a webpage and downloaded them to the cache so that the next time you visit the website, you don’t need to download them again because they can be retrieved from the cache. This reduces the wait time to load webpages.

As time goes by, the number of cache files increase considerably. Even though they are temporary and can be deleted, most people don’t bother to do so. In turn, these cache files start to take up storage space resulting in lowered system performance.

Cache files include system cache, app cache, browser cache, library cache and more.

Although other operating systems store cache in different file locations, the Mac OS stores cache files in the cache folder.

How Does Cache Affect Your Mac?

Although the primary purpose of cache is to provide a smoother user experience, the constant build up of data leads to storage space issues on a Mac.

Cache files are small in size, however going a long period of time without cleaning the hard disk means that these cache files can increase to gigabytes in size, resulting in a system with a minimum of disk space to operate. It affects the smooth performance in which Mac computers are known for.

To avoid this from happening, it is recommended to clear your cache regularly.

How to Clear the Cache on your Mac Manually

Mac systems are harder to clean compared to other operating systems as the destination is located within other folders and files. With the lack of knowledge on how to clean a Mac, the most inevitable question asked is: How to clear the cache on Mac?

Many people prefer opting for the longer route and cleaning the cache themselves. There are several types of cache files and each file is stored in different locations and cleared differently.

Here’s how different types of cache files can be cleared manually on your Mac:

User Cache:

User cache takes up the most space on your hard disk which is normally located in the User Cache folder “~/Library/Caches.”

Although a good cleaner locates and clears cache files well, manual deletion requires more work.

Reminder: User cache also includes sensitive data. Some users may encounter errors opening the files and system applications after clearing it entirely. It is recommended to perform a backup first.

To create a backup:

• Select “Go to Folder” in the Go menu of a File folder

• Type “~/Library/Caches” and press Enter

• Select all using ‘Ctrl+A’ and copy all folders and files

• Go back to Library and create a new folder ‘User Cache’

• Copy all data to the new folder

To remove user cache:

• Select “Go to Folder” in the Go menu of a File folder

• Type “~/Library/Caches” and hit Enter

• Go into each of the folders and delete every file

We recommend that you remove the files inside the folder, not the folder itself

After you have deleted all cache from the original location, you may delete the created backup as well.

System Cache and App Cache:

System cache is composed of files stored by system applications that run in the background of a Mac.

App cache consists of media files downloaded by the applications in order to speed it up, as well as system thumbnails, temporary downloads, and so on. Although useful, app cache takes up significant space over time and needs to be cleared.

To remove system and app cache:

• Type “~/Library/Caches” and remove the data inside of the folders with the app name.

One important thing is that not all app cache is safe to be cleaned. Applications are designed to keep essential data in some of the cache folders. To avoid mishaps, backing up cache data before cleaning is always a safe option.

In order to make sure no harm is done, you may delete the backup after some time.

DNS Cache:

The DNS cache is a type of system cache. These are old cache entries that translate internet domain names (e.g., into IP addresses on your Mac. Regularly clearing DNS cache ensures an uninterrupted connection to websites.

To clean the DNS cache:

For older Mac OS versions (before OS X 10.10.0):

• Open Terminal via Spotlight.

• Type into Terminal:

Clear For The Macbook Air

“sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder; say cache flushed”

• Enter admin password to complete.

For latest MAC OS versions (Mac OS X 10.10.0 and above):

• Open Terminal via Spotlight.

•Type into Terminal:

“sudo discoveryutil mdnsflushcache; sudo discoveryutil udnsflushcaches; say flushed”

• Enter your admin password to execute.

Browser Cache:

Internet browsing is the most commonly known activity on a device as well as a major source of income for many. While we browse from site to site, all activities result in a growing cache.

Browser cache consists of website data such as images, scripts, and so on, in order to speed up your browsing experience. It allows you to visit the same website faster with the use of the stored cache on the computer.

Aside from freeing space on your hard disk, clearing the browser cache accomplishes multiple purposes. It can secure privacy by deleting the browsing history. It can also potentially help to get rid of known errors such as error 404, 502, and so on, often caused by a corrupted cache.

Each browser stores cache differently, meaning, the process of clearing cache differs across browsers. As for the most commonly used browsers, Chrome’s cache location is in ‘Settings’, Safari stores it in ‘Privacy’, while Firefox’s location is under the History tab.

To Clear the Browser Cache:

For Chrome:

• Click the options icon at the top right corner of the Google Chrome browser

• Choose Settings

• Choose “More Tools,” in the left menu

• Click “Clear browsing data.” [Shortcut: ⇧⌘⌫]

• Select only Cached images and files and Browsing history

• Select ‘the beginning of time’

• Click “Clear browsing data” button

Restart Chrome

For Firefox:

• On the History menu, select ‘Clear Recent History’

• From the drop-down menu with a time range, select the desired range. To clear all the cache, select ‘Everything’

• Click the down arrow next to Details and choose only Cache

• Click ‘Clear Now’

• Exit and re-open the browser

For Safari:

• On the top menu, choose Safari


• Click ‘Preferences’

• Choose the ‘Advanced tab’

• Enable show ‘Develop’ menu in the menu bar

• Go to ‘Develop’ in the menu bar

• Choose ‘Empty Caches’

Restart Safari

For best results, make sure to empty Trash after clearing all the cache files.

To clear the trash, press control + click the Trash icon and select “Empty Trash.”

Reboot the Mac for a complete overhaul which leads to the Mac creating new cache files.

Manually cleaning junk files is a tedious task. Not only does it threaten deletion of important files but also takes up significant time and effort.

There are alternatives to manual cleaning that clean the system much more effectively and quickly, such as using Cleaner One Pro.

Why Cleaner One Pro?

Cleaner One Pro is one of the best cleaning app for Mac OS. It guarantees seven times more freed up hard disk space than any traditional hard disk cleaning methods.

Cleaner One Pro offers a free and effective way to clear cache on the Mac. It removes all unnecessary files that slow down your system in one click.

Providing a one-stop solution for Mac OS maintenance, Cleaner One Pro removes every junk file including app cache, browser cache, library caches, log files, iTunes and iOS temporary files, and so on.

Manual methods remove the majority of browser junk, but browsers also store data in other folders.

‘If you want to remove all of the browser caches at once, there’s a more efficient method to clear them ‘— use Cleaner One Pro.

Not only does Cleaner One Pro offer features such as Memory Free, Disk Clean, and Uninstall App. It also includes Clear Cache to fully optimize your Mac. And the best part? It’s free!

Additionally, some of the app caches are sensitive. App developers store important data in cache folders.

To prevent any problems, Cleaner One Pro works with a Safety Database and knows how to clear app cache safely. Not only does it protect precious data but it ensures more free space than manual methods.

In addition, Cleaner One Pro also monitors your system storage continuously to prevent significant buildup of unwanted files. Here’s a list of features Cleaner One Pro exclusively offers to Mac users for free:

 Memory Free

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 Disk Clean

 Junk Files Cleaner

 Big Files Scanner

 Similar Photos Scanner

 Duplicate Finder

 Intelligent App Manager

 System Monitoring

 Uninstall Applications

How to Clean Cache and other Junk Files with Cleaner One Pro

Cleaner One Pro’s brand new user interface makes it very easy to clear cache and remove all the junk files from your Mac. Just follow the steps below to quickly clear cache:

1. Open Cleaner One Pro on your Mac

You will see the main dashboard window with several options, such as Junk Files, Big Files, and Disk Map, and so on

2. Choose ‘Junk Files’

3. Click ‘Scan’

Cleaner One Pro will scan for all the junk files that are safe to delete, including application caches, application logs, iTunes Temporary Files, and so on

You may also perform a quick disk clean up. Go to the status bar menu of your Mac to perform this task.

Is Cleaner One Pro Safe?

Many users reported privacy concerns regarding the usage of other cleaning applications.

Cleaner One Pro is a smart cleaning utility that removes user files only after the user consents. The software scans and optimizes the system by deleting junk files that clog the system only. Also, it only proceeds by Admin’s permission. In short, Cleaner One Pro is the most reliable Mac optimization tool.

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