How to erase disk on imac?

1. Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
2. When the Utilities window appears, select Disk Utility.
3. In the sidebar, choose Macintosh HD.
4. Click the “Erase” button, then select a file system format and enter a name for it.

Quick Answer, how do I erase my old imac hard drive? First, erase a drive without the overwriting part, and reinstall OS X. After you boot, launch Disk Utility, select the startup volume, and click the Erase tab. Now use the Erase Free Space option, which also offers 1, 3, and 7 passes of erase, and only empties out unused parts of the disk.

Additionally, how do I wipe and erase my imac? Click the Format pop-up menu, then choose a file system format. Enter a name. (Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK. Secure erase options are available only for some types of storage devices.

Correspondingly, how do I reset my Mac desktop to factory settings? To reset your Mac, first restart your computer. Then press and hold Command + R until you see the Apple logo. Next, go to Disk Utility > View > View all devices, and choose the top drive. Next, click Erase, fill out the required details, and hit Erase again.

Amazingly, how do I return my Mac to factory settings?

1. Restart your computer: hold the power button > select Restart when it appears.
2. While the computer restarts, hold down the ‘Command’ and ‘R’ keys.
3. Once you see the Apple logo appear, release the ‘Command and R keys’
4. When you see a Recovery Mode menu, select Disk Utility.

Select the hard drive you want to securely erase from the list of available drives in the sidebar. (Make sure you select the drive and not the partition.) Click the Erase button in the toolbar. A dialog displays asking you what to name the drive after erasing , and how you want to format it.

What hard drive format is compatible with Mac and PC?

For a hard drive to be able to be read and written to in both a PC and Mac computer, it must be formatted to ExFAT or FAT32 file format. FAT32 has several limitations, including a 4 GB per-file limit.

How do I restore my IMAC to factory settings without CD?

How do I factory reset my Mac desktop 2021?

1. In the Apple menu in the top left corner of the screen, choose Restart.
2. As the system is restarting, hold both the Command and R keys on the keyboard at the same time until you see the Recovery Mode window.
3. Enter your admin password to confirm the action.

How do I factory reset my Mac desktop without Apple keyboard?

Reboot your Mac. Hold down Option/Alt-Command-R or Shift-Option/Alt-Command-R to force your Mac to boot into macOS Recovery Mode over the internet. This should boot the Mac into Recovery Mode.

How do I factory reset my Mac desktop 2011?

After the iMac shuts down completely but before it begins to restart, hold down the Command (⌘) and R keys at the same time. The Mac will display the macOS Utilities menu, from which you can reinstall Mac OS.

How do I wipe my Mac using terminal?

Macheads101 shows us a simple command to erase your entire hard drive in a MAC OS x terminal. You can either log in as administrator and simply type “rm -rf /” to format or you can just type “Sudo rm -rf /” to start. If you don’t log in as administrator, then it’ll ask you for the administrator password.

How do I do a factory reset?

1. 1 Tap Settings
2. 2 Tap General Management.
3. 3 Tap Reset.
4. 4 Tap Factory data reset.
5. 5 Tap RESET.
6. 6 Tap DELETE ALL. Please be patient as phone resetting takes some time.
7. 1 Tap Apps > Settings > Backup and reset.
8. 2 Tap Factory data reset > Reset Device > Erase Everything.

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 permanently delete files from my Mac SSD?

Right-click on those items and go to Services > Erase. You’ll see the Warning dialog box. If you don’t want to see this dialog box every time you use Permanent Eraser to delete files, check the Do not show this message again box. Click OK to permanently delete the selected items.

How do I format my hard drive for Mac and PC without erasing?

Question: Q: CHANGE FORMAT without Losing Data Answer: A: Answer: A: Open Disk Utility, select your drive from the left side list, then click on the Enable Journaling icon in the toolbar. This will do what you want without losing anything.

Does exFAT format work on Mac and PC?

exFAT is a good option if you work often with Windows and Mac computers. Transferring files between the two operating systems is less of a hassle, since you don’t have to constantly back up and reformat each time. Linux is also supported, but you will need to install appropriate software to take full advantage of it.