However, the steps are suitable for Mac OS X 10.6.8 to 10.10.5. For instructions on how to format a drive in Mac OS 10.11 (El Capitan) and above click here. To reformat the drive in Mac OS X: 1. Open Disk Utility ApplicationsUtilitiesDisk Utilities 2. Select the Seagate drive on the left that shows the capacity 3.
Note: This will erase all data on your backup disk!!!
Disk Utility got a facelift with the launch of OS X El Capitan. But this makeover didn’t go well for a handful of Mac users. Some of them find difficult to perform regular disk management activities on Apple hard disk drives including partitioning the disk, creating, resizing and deleting a partition. To create a bootable El Capitan installer drive, you need the El Capitan installer from the Mac App Store and a Mac-formatted drive that’s big enough to hold the installer and all its data. To create a bootable El Capitan installer drive, you need the El Capitan installer from the Mac App Store and a Mac-formatted drive that’s big enough to hold the installer and all its data. Formatting an external disk or flash drive in macOS Sierra is little different that formatting it in Mavericks and lower versions of OS X. Disk Utility was changed with the release of OS X El Capitan. To reformat the drive in Mac OS X El Capitan or macOS Sierra.
Open a Finder window and navigate to Applications > Utilities and double click on Disk Utility.
The remaining steps vary considerably depending on the operating system you are running. Choose About This Mac from the Apple menu to determine your current OS, then make a selection below.
Click to select the disk that you would like to use for your backup. This disk should not be the same as your startup disk.
The name of a new disk will often include the manufacturer’s name (e.g. WD My Book 111D Media..). A startup disk will often include the manufacturer's serial number in the title (e.g. TOSHIBA MK50..).
Click on the Erase button in Disk Utility's toolbar, then configure the name, format, and partitioning scheme of your backup disk. You can set the name to whatever you like, but set the Format to Mac OS Extended (Journaled) and set the Scheme to GUID Partition Map, then click the Erase button.
Click Don’t Use. You may use the same backup disk for both Time Machine and CCC backups, but if you do so, you must use a dedicated partition for the Time Machine backup. Otherwise Time Machine will consume all available space on the backup volume and make it impossible for CCC to use the backup volume.
Click to select the disk that you would like to use for your backup. This disk should not be the same as your startup disk.
The name of a new disk will often include the storage capacity and manufacturer’s name (e.g. 500.07 GB WD My Passp..). A startup disk will often include the manufacturer's serial number in the title (e.g. 320.07 GB TOSHIBA MK3255GSXF Media).
Click on the Partition tab.
Choose 1 Partition from the Partition Layout popup menu (or more if desired).
Click on Options.
Choose GUID Partition Table, then click the OK.
Select Mac OS Extended (Journaled) from the Partition Format popup menu.
Click Apply.
Ensure that you have selected the correct disk for your backup drive. This step will delete all data from the selected disk. Click Partition.
Now skip ahead to the remainder of the instructions that are not OS-specific.
'My disk is already formatted HFS+, why am I getting this warning?'
Video: Preparing a drive for a backup of the macOS in macOS 10.11 or higher
Video: Creating a new/additional partition (OS X 10.10 and earlier)
Support for third party filesystems (e.g. NTFS, FAT32)
macOS Recovery makes it easy to reinstall the Mac operating system, even if you need to erase your startup disk first. All you need is a connection to the Internet. If a wireless network is available, you can choose it from the Wi-Fi menu , which is also available in macOS Recovery.
To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following sets of keys on your keyboard. Release the keys when you see an Apple logo, spinning globe, or other startup screen.
Reinstall the latest macOS that was installed on your Mac (recommended).
Upgrade to the latest macOS that is compatible with your Mac.
Reinstall the macOS that came with your Mac, or the closest version still available.
There are different multiple languages are also available for global users i.e. What's New in macOS Mojave 10.14 Update?The release note of latest macOS 10.14 Mojave Update offers various new options and bug fixes to enhance the overall performance and experience of software. We are also sharing the Direct Download Links of macOS Mojave 10.14.DMG Offline Installer file for manual installation on multiple Mac devices without app store and internet connection. Download gimp for mac mojave. So if you are Mac user then you can instantly upgrade to macOS 10.14 Final (Build 18A391) stable version for free and then you can experience all new changes, enhancements, and improvements brought by Apple Developers for the general public. English (US/UK), Arabic, Chinese (Hong Kong), Catalan, Croatian, Danish, Czech, Dutch, French, Finnish, German, Hebrew, Greek, Hindi, Hungarian, Italian, Indonesian, Japanese, Malay, Korean, Norwegian, Portuguese, Polish, Romanian, Simplified Chinese, Russian, Slovak, Swedish, Spanish, Thai, Turkish, Traditional Chinese, Vietnamese, and Ukrainian.
You might be prompted to enter a password, such as a firmware password or the password of a user who is an administrator of this Mac. Enter the requested password to continue.
When you see the utilities window, you have started up from macOS Recovery.
You probably don't need to erase, unless you're selling, trading in, or giving away your Mac, or you have an issue that requires you to erase. If you need to erase before installing macOS, select Disk Utility from the Utilities window, then click Continue. Learn more about when and how to erase.
When you're ready to reinstall macOS, choose Reinstall macOS from the Utilities window. Then click Continue and follow the onscreen instructions. You will be asked to choose a disk on which to install.
Please allow installation to complete without putting your Mac to sleep or closing its lid. During installation, your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.
If your Mac restarts to a setup assistant, but you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.
The version of macOS offered by macOS Recovery might vary in some cases:
If you can't get macOS Recovery to offer the installer you want, you might be able to use one of the other ways to install macOS.