macOS Sierra Flashcards
How would I restore an older Mac’s firmware?
Through a Firmware Restoration CD
What would you do if a restoration did not complete on a older Mac?
Restore its firmware through its Firmware Restoration CD
What are two ways to change a disc structure?
- Repartitioning the existing disk.
2. Adding a new disk.
What does a “clean Install” refer to?
An erase and install
What one thing must I do before any OS install?
I must prepare the disk to accept the new OS installation.
What are the 2 requirements that make a disk formatted to accept macOS?
- Partitioned via GUID Partition Map (GPT) scheme.
2. Contain at least one macOS Extended (Journaled) Formatted volume.
What disks are already properly formatted to accept macOS Sierra?
OS X Lion 10.7 and later
What would I use to erase and repartition a disk?
Disk Utility
What is Mac’s default partition setup?
Single disk formatted with a single large system volume.
What benefit does repartitioning a disk have?
Separates a single large volume into several smaller volumes in order to have multiple storage options.
Example: taking one large storage bin and cutting it down to 2 or more for better organization.
What is one benefit to having a single disk partition?
Often it is the most affective use of disk space.
What are 2 benefits to having multiple partitions?
1) Allows for multiple operating systems on one computer
2) Replacing a damaged OS could potentially be easier
Do I need to stay with the computer while it is installing the OS?
No, just choose the target installation destination then leave the computer to do the job.
Will the computer shut off during the installation?
Yes, installing the OS will cause the computer to reboot on its own at least one time.
What do I do if the power shut off or the disk disconnected?
Simply restart the installation
Do I have to choose the installation type of new or update?
No, the installer chooses the appropriate installation type
What are upgrade installations
Upgrade installations update the older operating system to new without erase.
What is a new installation?
When there is no OS on a disk a new installation will place a new OS on a blank disk.
Does the installer ever delete data?
No. The installer never deletes non-system data on the selected destination.
What is a special design feature of the macOS installer?
The macOS installer is designed to ensure that third-party applications and user data remain functional after an installation.
What are a two installation destination choices for macOS?
- Current disk that contains macOS
2. Disk without macOS on it
Can I upgrade the OS if other computer users are logged in?
No.
What are two ways to log another user out of my computer?
- Have them log out
2. Force restart the computer
What are 2 things I must do in order to perform a erase/install successfully?
- Manually erase the destination system disk using Disk Utility.
- Run macOS installer
How do I erase the system disk my Mac is currently running from?
Start up from another system.
What one decision do you have to make when installing macOS Sierra?
One must decide the disk volume where macOS will be installed.
Can I choose an external disk to install macOS?
Yes. macOS can be installed on either an internal or external disk as long as it is properly formatted.
Is there a default disk that macOS will choose?
Yes. The default selection will be the current startup disk
How do I choose a different disk to install macOS?
Click the “Show All Disks” button to choose an alternate
destination.
Why are some disks/partitions greyed out?
The macOS installer has determined that the Mac cannot start from that location.
What are 3 possible reasons disks/partitions are not able to operate macOS?
- Disk does not use the proper partition scheme for your Mac.
- Not formatted properly.
- Disk contains a Time Machine backup.
What partition scheme do Intel Mac computers use?
GPT scheme
What can I do if my disk is not properly partitioned with the GPT scheme?
Repartitioning the disk using Disk Utility.
What partition format does macOS require?
macOS Extended (Journaled) volume
How do I fix a partition that is not formatted properly with macOS Extended (Journaled) volume?
Erase the partition using Disk Utility.
What article would I reference if I can’t install OS X on a Time Machine backup disk?
HT203322
Can a previous OS version be put back onto my computer?
Yes. macOS installer has the
ability to “back out” of an installation and restore the previous system.
What are 3 common macOS installation failures?
- inability to verify the selected disk or partition
- some features of macOS are not supported
on the selected disk - installer does not let you select a properly formatted/partitioned disk
What is a sign of serious disk problems?
Inability of the macOS installer to verify it.
Why did I get an error message that some of the macOS features are not supported on the selected disk?
2 possible reasons:
- System disk is a software RAID (Redundant
Array of Independent Disks) set. - It uses non-standard Boot Camp partitioning.
What if I install macOS Sierra to a disk that some features are not supported on?
The installer cannot create a macOS Recovery HD, but you can still install macOS Sierra.
What is a macOS Recovery HD?
When macOS is installed on a computer there is a hidden partition that stores “Recovery HD.”
Why d I have a macOS Recovery HD partition on my disk?
So you have a copy of an OSX Install Disc on your computer.
How do I start my computer from the Recovery HD partition?
2 Ways:
- Start your Mac while holding down Command + R
- Start your Mac while holding down Alt/Option
What does holding Command + R do when starting my Mac?
It will restart you computer from the Recovery HD associated with the last OSX volume you were running .
What does holding down Alt/Options do when starting my Mac?
Bring up the Startup Manager
What is the purpose of the “Startup Manager?”
Shows all possible startup volumes
