Ignore the part about how to do it if it's a newer M1 silicon machine.

Choose your Mac’s system drive, usually named Macintosh HD, then click Erase. Wait for the macOS Utilities screen to appear, then click Disk Utility. Hold down the Command and R keys as soon as you hear the Mac tone indicating a reboot. 2 Tap Factory data reset > Reset Device > Erase Everything. Here's a link with some more info and options and walkthrough basically. 1 Tap Apps > Settings > Backup and reset. If you don't want anything on it you can simply reinstall the operating system from the recovery options window. Step 2: Access the iPhone via the sidebar on Finder if you have a Mac. Then you can save pics he may have had etc. Part III: How to reset iPhone password without computer. It'll ask which account you want to reset password on, select his account and make whatever password you wish and then it'll prompt you to restart, then use that password to login. Type 'resetpassword' as one word, without the quotes, and press Return. A new window will show up, waiting for you to enter a command. Then once the recovery options screen opens, With your Mac now in Recovery Mode, click on Utilities in the menu bar followed by Terminal. (Power on machine) and immediately hold down the command and R key for about 10 seconds or so.it'll boot up slow.

Enter resetpassword, all one word with lower-case letters, and then hit the Enter key. Continue to hold Command + R until you see an Apple logo appear. Click the Apple logo at the top left of the screen and select Restart. If it's just a simple login password then yes and you can do that without data loss. Press the Power button while holding Command + R. How to Reset MacBook Pro to Factory Settings without Password 1. or it's a paperweight and nothing can be done unless you have original receipt and ID to match it and take it to apple. If it's an Apple ID passcode and firmware locked (file vault on) and it prompts you for that before it'll let you into recovery mode then no, you'll need that passcode or recovery key etc. (Power on machine) and immediately hold down the command and R key for about 10 seconds or so.it'll boot up slow

Factory reset mac without password