How to format imac g5 without disk?

Similarly, how do I reformat my Mac without a disk?

1. Step 1Back Up Your Files!
2. Step 2Restart Your Computer.
3. Step 3Press CMD+R.
4. Step 4Open Disk Utility.
5. Step 5Wipe Your Hard Drive.
6. Step 6Reinstall OS X.
7. 32 Comments.

You asked, how do I wipe my iMac G5? Boot up your iMac computer off the disc and open Disk Utility from the Utilities menu. Under the Erase tab will be a Security button. Click on it and set it to write zeros over your data. This will take a good amount of time, and be sure to check out Apple’s article on Disk Utility’s secure erase options.

As many you asked, how do I force a factory reset on my iMac? 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.

Beside above, how do I reformat a Mac computer?

1. On your Mac, choose Apple menu > Restart, or press the Power button on your computer and then click Restart.
2. Click your user account, click the question mark in the password field, then click the arrow next to “reset it using your Apple ID.”
3. Enter an Apple ID and password, then click Next.

How do I wipe my iMac g4?

When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select the startup volume from the left side list then click on the Erase tab. Set the format type to Mac OS Extended (Journaled) then click on the Options button. Select the one pass Zero Data option and click on the OK button.

How do I erase the hard drive on my 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.

How do I reset my iMac G5 with Windows keyboard?

1. Start you Mac while pressing the Option key (in your Windows keyboard press the Alt key) until the Startup Manager appears:
2. Select Recovery HD and then click the upward-pointing arrow below it to boot from Recovery HD.
3. After a brief delay, you’ll see the Mac OS X Utilities screen.

How do I restore my 2009 iMac to factory settings?

1. Shutdown iMac.
2. Unplug power cord from back of iMac.
3. Press and hold power button for 20 seconds.
4. Restore power cord; power on iMac.
5. Immediately on hearing Startup Chime, press and hold Command-Option-P-R keys (⌘⌥ P R)

How do I factory reset my 2009 iMac without CD?

Select the hard drive on which Mac OS X is installed from the tree list on the left side of the window. Open the “Erase” tab. Select “Mac OS Extended (Journaled)” from the “Format:” drop menu and enter a name for the hard drive in the “Name:” text entry field. Click “Erase…” to clear all of the hard drive’s contents.

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.

Does reinstalling macOS delete data?

2 Answers. Reinstalling macOS from the recovery menu does not erase your data. … To gain access to the disk depends on what model Mac you have. An older Macbook or Macbook Pro likely has a hard drive that is removable, allowing you to connect it externally using an enclosure or cable.

What is the recovery key on a Mac?

A recovery key is a randomly generated 28-character code that you can use to help reset your password or regain access to your Apple ID. While it’s not required, using a recovery key improves the security of your account by putting you in control of resetting your password.

How do I log into my Mac without a password?

1. Click the Apple icon in the top-left corner of the screen and select “System Preferences.”
2. Select “Security and Privacy.”
3. Untick the box labeled “Requires Password.”
4. Enter your Mac’s password in the pop-up window.
5. Confirm your choice by clicking “Turn off screen lock.”

How do I recover my Mac administrator password?

Restart the Mac while holding down the Command+R keyboard combination to enter the macOS Recovery partition. Release the keys when you see the Apple logo on the screen. Select Utilities > Terminal to open a Terminal window. Type resetpassword and press Return to open the Reset Password screen.