How to fix imac firmware password and is locked

how to fix imac firmware password and is locked

how to fix imac firmware password and is locked



 · Reboot the Mac and hold down Command+R to enter recovery mode. At the Utilities screen, go to the Utilities menu bar item and choose “Firmware Password Utility”. Select to turn the Firmware Password to OFF. If this is successful it will tell you the firmware password is off.

 · A security engineer who goes by the name of fG!, specialized in Mac security and reverse engineering, has found a way to reset a Mac's firmware password without …

 · Reboot your Mac using the hardware buttons, or if you are already inside the Macintosh being turned on, hit reboot from the Apple icon. Press and hold down Command + R buttons together until the Recovery Mode shows up. Find the Utilities screen and go to Utilities menu bar. Look for the option ‘Firmware Password Utility’.

Boot up your Mac, and you should not see the firmware lock again. Disable the Password With Firmware Password Utility. Restart your Mac while holding down the Command + R keys to enter Recovery Mode. When the Utilities screen appears, go the Utilities menu bar, and select “Firmware Password Utility”. Choose to turn the Firmware Password off.

But than I remember that I did once/ long ago install a Firmware password which I no longer remember!! and Coz of this matter the system not allow me to install any OS in this machine!!! Not even when I put back the original harddrive which I already formated and it is totally empty now! But I still can't install any operating system on this machine/ iMac 27.

 · The password you need if you still don't know is that 4-digit password you set when you locked the mac remotely. More Less. Feb 23, 2013 10:27 AM View answer in context. There’s more to the conversation. Read all replies. first Page 1 of 3 Page 1/3 last Page 1/3 Loading page content. Page content loaded. User profile for user: Kappy Kappy User level: Level 10 (360,305 points) Desktops ...

 · To reset the firmware password on newer Macs, you must now follow these steps: 1. Boot with Option key held to display the boot menu's firmware password prompt. 2. Press...

Reboot the Mac and hold down Command+R to enter recovery mode. At the Utilities screen, go to the Utilities menu bar item and choose “Firmware Password Utility”. Select to turn the Firmware Password to OFF. If this is successful it will tell you the firmware password is off. Disable firmware password in Mac …

Only Apple can remove a forgotten firmware password. Visit an Apple Store and be ready to present a valid proof of purchase. There is a keyboard key combination that will generate a hash and they have to contact Apple corporate with it. May take them a couple of hours and the process can be a …

 · Enter the firmware password when you see the lock and password field: How to turn off a firmware password. Start up from macOS Recovery. During startup, you will be prompted to enter the firmware password. When the utilities window appears, click Utilities in the menu bar, then choose Startup Security Utility or Firmware Password Utility. Click Turn Off Firmware Password. Enter the firmware ...

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