How to format a imac hard drive?

Choose View > Show All Devices. In the sidebar, select the storage device you want to erase, then click the Erase button . Click the Scheme pop-up menu, then choose GUID Partition Map. Click the Format pop-up menu, then choose a file system format.

Moreover, what is the best format for a Mac internal hard drive? The best format for a clean install is Mac OS X Extended (aka HFS+). The Mojave installer will automatically convert the drive to APFS if it is an SSD, however by starting off as HFS+ you give it a chance to get started, determine if a firmware upgrade is needed first, install the firmware, and.

Also the question is, how do I restore my IMAC to factory? Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P and R. Release the keys after about 20 seconds. This will clear user settings from the memory and restore certain security features that may have been altered previously.

Considering this, what is HFS+ format in Mac? HFS Plus or HFS+ (also known as Mac OS Extended or HFS Extended) is a journaling file system developed by Apple Inc. It replaced the Hierarchical File System (HFS) as the primary file system of Apple computers with the 1998 release of Mac OS 8.1. … HFS+ is also one of the formats used by the iPod digital music player.

Best answer for this question, can Mac read exFAT? ExFAT – A newer file format, supported in Mac OS X 10.6. 5 or later. … It has one big advantage over FAT32: exFAT supports file sizes larger than 4 GB, so if you have a need to move huge files between Macs and PCs, this is likely the format you’ll want for your flash drive.

1. Start up your computer in macOS Recovery:
2. In the Recovery app window, select Disk Utility, then click Continue.
3. In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.

How do I do a factory reset?

1. Tap Apps.
2. Tap Settings.
3. Tap Backup and reset.
4. Tap Factory data reset.
5. Tap Reset Device.
6. Tap Erase Everything.

How do you clear everything off a Mac?

How do I format a hard drive to HFS+ on a Mac?

1. Copy any files that you want to keep to another location.
2. Click Go on the Apple menu bar.
3. Choose Utilities.
4. Double-click Disk Utility; this will open a new window.
5. Select the LaCie Fuel drive.
6. Choose the Partition button.

What is the Mac file system format?

Apple File System (APFS), the default file system for Mac computers using macOS 10.13 or later, features strong encryption, space sharing, snapshots, fast directory sizing, and improved file system fundamentals.

What is the difference between HFS and NTFS?

One of the biggest differences between them is that their supported operating system. The Ext4 file system is mainly used on Linux, while the NTFS file system is commonly used on Windows, and the HFS+ file system is suitable for macOS.

Does exFAT work on both Mac and PC?

Your exFAT-formatted drive or partition can now be used for both Windows and Mac.

What are the disadvantages of exFAT?

1. Not as compatible as FAT32.
2. It does not offer journaling functionality and other advanced features built into the NTFS file system.

What does exFAT mean on Mac?

Extended File Allocation Table (exFAT) This was designed by Microsoft to provide similar compatibility to FAT32 without the pesky limitations. exFAT is the preferred file format for flash storage drives that you share between Windows and Mac. exFAT has no realistic file or partition size limits.

How do you restore Internet on a Mac?

1. Shut down your Mac.
2. Hold down Command-Option/Alt-R and press the Power button.
3. Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
4. The message will be replaced with a progress bar.
5. Wait for the MacOS Utilities screen to appear.

How do I bypass Internet Recovery on Mac?

Answer: A: Restart the computer holding down the command – option/alt – P – R keys before the gray screen appears. Continue to hold until you hear the startup chime for the second time. Try a SMC reset.

Does reinstalling Mac delete everything?

2 Answers. Reinstalling macOS from the recovery menu does not erase your data. However, if there is a corruption issue, your data may be corrupted as well, its really hard to tell. … Reinatalling the os alone does not erase data.