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Upgrading your Macbook is a very easy task if you are already running a previous version of Mac OS X. You just need to download the new OS Installer from the App Store and after that, it’s just like a normal installer setup. But the problem comes, when your Mac OS got corrupted and you need to install a clean setup without having to access the App Store.
Arguably, Mac OS is a more stable and reliable OS as compared to Windows. It crashes less and gets fewer malware attacks as compared to windows. Therefore there are very few documentations regarding clean installation for Mac OS relative to Windows Reinstallation.
In this tutorial, I would try to cover up as much detail I could to help you Reinstall a Clean Mac OS on to your Macbook or iMac. I recommend you to use 16GB or higher USB drive. Also, make sure to backup all your files and data before you initiate the setup.
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Step One: Download macOS Installer files
Users of Mac OS X El Capitan can do a manual startup disk cleanup. Please note, this is a multi-stage procedure, which can take significant time. 1 Go to Finder - select All My Files in the left sidebar. Alternatively, use the Command-Shift-F (⌘+⇧+F) shortcut to display the files. Clean My Mac X is a Mac cleaner app to clean and optimize Mac. Get it to know how to clean Mac and clean up hard drive to get more free space on your Macbook or iMac. Download the best cleanup app now!
You can download the Mac OS Installer file from App Store. Or, if you don’t find the required OS on the App Store, then you can download the Mac OS Installer files from ISORIVER.
Step Two: Formatting Your USB Flash Drive
You can create a boot installer for macOS on Mac. If you are using a flash drive that already has data, be sure to back up all important files as you are about to erase everything in an instant.
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Open search engine. Go to Applications > Utilities and open Disk Utility. You should see your flash drive in the External section of the left panel. After selecting it, click on the “Erase” button at the top.
Choose a descriptive name (which you will use later) and be sure to select Mac OS Extended (Journaled) for this format. Finally, click on Erase and you will be done with this step.
Step Three: Creating a Bootable USB Using DiskMaker X
DiskMaker X is a user-friendly and reliable software for creating a bootable macOS USB disk. You can download DiskMaker X for free.
After Installing DiskMaker X, you need to change security permissions for the app to work without breaking.
Navigate to System Preferences > Security & Privacy > Privacy > Accessibility. To make changes, click the lock icon at the bottom and enter your credentials.
Then click on the Plus button, navigate to the Applications folder, select DiskMaker X, and click open. DiskMaker X should now appear on the list.
As soon as you start DiskMaker X, you will be asked to confirm the download of the macOS installer.
The following message shows one of the advantages of DiskMaker X, as it is possible to create multiple installation disks. This means that you can create multiple partitions on the USB drive and have different macOS installers for each partition.
If you prefer to create an installation disk, select “Erase all disk“. Finally, confirm that you want to delete the entire contents of the USB drive.
DiskMaker will continue to create the disk in the background and update it while it works. After a few minutes, DiskMaker X will inform you that your startup disk is ready and will give you some instructions on how to use it.
Step Four: Booting Your Mac From a USB Drive
Simply connect the USB drive you created to an open USB port on your Mac. Turn on the system or restart it if it is already on. Immediately press and hold the Option (Alt) key on the keyboard when it starts.
You should now see an option to select the USB drive as a boot disk. Once selected, the system will start from the USB drive and will be directed to the macOS utility screen.
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That’s it for the tutorial If you face any issues or had any query then please let us know in the comment section below. You can also send us an email via the contact us page for personalized support.
If you’re looking for an easy to use application that will help declutter your Mac’s hard drive and freshen up system files that need a little tlc, look no further than OnyX.
OnyX is a multifunction utility for Mac OS that allows you to maintain your Mac, refresh system files and access/modify hidden settings in Mac OS X.
In this guide we will focus strictly on OnyX’s feature that allows you to clean out files that clutter your Mac’s hard drive and can reduce your machine’s performance.
Before you begin I suggest you read through this guide first and then download OnyX (download link at end of guide) to follow the instructions below.
Launching OnyX for the First Time
When you launch OnyX for the first time you will be prompted to accept the license agreement. Click OK to accept so that you can use the application.
1. You will then be asked to check the drive’s S.M.A.R.T. Status. Click Continue to check the status of your hard drive.
Note: If you checked the drive’s S.M.A.R.T. status recently you can skip the check by clicking Cancel.
2. You will also be asked to verify the startup volume. This step is recommended before performing Cleaning and Maintenance tasks with Onyx.
Click Continue to verify the startup volume. Click OK when the results prompt appears.
In order to perform any task in OnyX you will need to first enter your Administrator password when prompted.
Cleaning Your Mac with OnyX
Once you’ve ensured your hard drive’s good it’s time to actually start using OnyX.
Warning: Please backup your Mac before proceeding with any system changes using OnyX.
In the following steps we will be focusing on cleaning up cache files and other non-essential files on your Mac, so you will be spending all of your time on the Cleaning button.
Note: When you delete system cache files you will notice that your Mac may run a bit slower at first. This is normal and has to do with the building of fresh caches.
1. Click the Cleaning icon to open the set of options available.
2. Add a checkmark to each of the cache items you wish to delete.
3. When you are ready to clear the cache, click the Execute button.
When you click Execute a prompt will appear notifying you that all open applications will be closed. Click Continue to proceed.
After you click Continue you will be prompted to shut down or reboot your Mac.
Personally I prefer to reboot the computer for each set of items I clean out, but you can click the Close button and execute another set of commands before rebooting your Mac.
4. If you decided to continue to clear items before rebooting simply click on the User tab and repeat the steps above.
5. Add a check mark to the items you wish to clear from the list.
6. Click Execute to delete the selected items.
Once the process is complete you will be prompted to reboot your computer once again.
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You can repeat this process with the remaining tabs: Internet, Fonts, Logs and Misc.
Each time you execute the clean commands, OnyX will clean up the selected items and then prompt you when the process is complete.
If you waited to the end to reboot your Mac between each of the clean-ups, you should reboot your Mac as recommended.
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If you have any comments or questions please use the comments form below.
Bay Cleaning Mac Os Download
OnyX Download Links
- Onyx for Mac OS X Snow Leopard download.
- Onyx for Mac OS X Lion (Beta as of publish date) download.
Software/Hardware used: Mac OS X 10.6.8.