In the latest Mac systems it also is quite secure and cannot be easily circumvented by changing hardware configurations like RAM, so this will provide a good lock for the system's hardware. How to unlock MAC EFI Icloud with 6 digit PIN Lock passcode. Macbook Pro - iMac 1) Add or remove a stick of ram. Obviously if you have one stick in, add one and if you have two in remove one. The system will restart with the 'bong noise', allow it to do this 3 times. On the third 'bong' you can let go of the keys. The machine will now boot. Wireless Key for Mac authentication. Using the Bluetooth feature on your mobile phone is a convenient and secure means to lock your Mac: When you come near to your Mac, Rohos detects your phone using Bluetooth and unlocks the screen; When you step away from the Mac, Rohos loses the connection to your phone and locks your Mac automatically.
Circle with a line through it
Learn what to do if your Mac starts up to a circle with a line through it (prohibitory symbol).
Question mark
Learn what to do if your Mac starts up to a question mark.
Blank (empty) screen
Learn what to do if your Mac starts up to a blank screen.
Apple logo
Learn what to do if your Mac starts up to an Apple logo or progress bar.
Globe with alert symbol
A globe with an exclamation point means that your Mac tried to start up from macOS Recovery over the Internet, but couldn't. Learn what to do if your Mac can't start up from macOS Recovery.
Lock icon
If your Mac is using a firmware password, the lock icon appears when you try to start up from another disk or volume, such as an external drive or macOS Recovery. Enter the firmware password to continue.
System lock PIN code
Your Mac asks for a PIN code when it has been remotely locked using Find My. Enter the four-digit or six-digit passcode to continue.
Login window
At the login window, enter your user account password to log in to your Mac. If FileVault is turned on, this also unlocks your disk. You might see a default desktop picture in the background, which might change to your chosen desktop picture when you select your account.
Thunderbolt, USB, or FireWire symbol
A large Thunderbolt , USB , or FireWire symbol against a dark background means that your Mac is in target disk mode.
Learn more
- Learn what to do if your Mac displays a message that it restarted because of a problem.
- Learn what do do if your Mac continuously restarts.
- When starting up from Windows using Boot Camp, your Mac doesn't show an Apple logo or the other macOS screens in this article.
How to bypass 4 digits lock code on MacBook. if you have a locked icloud iMac, MacBook, mac pro locked on passcode screen here is a solution for free.
this solution is based on Mount the locked drive on another machine or in an HD external cage, find the PIN inside icloud folder , re-install the locked drive into the original Mac, enter the PIN, all working again .
Tutorial:
How to bypass 4 digits lock code on MacBook
the easy way, you will need SATA to USB adapter if you have a laptop without room for an additional drive.
first, remove the locked hard drive from your Mac. You can find detailed guides for your specific machine just google it or check youtube. install it on HD as an external machine.
Once booted into the alternate system, locate your locked drive.
In my case it was macintosh: Now browse to UsersusernameLibraryApplication SupportiCloud . In the folder “iCloud” find a file named with a bunch of numbers: ##########.lock In my case it was: 1138515150.lock, just write it down.
In my case it was macintosh: Now browse to UsersusernameLibraryApplication SupportiCloud . In the folder “iCloud” find a file named with a bunch of numbers: ##########.lock In my case it was: 1138515150.lock, just write it down.
Install the locked drive back into the original locked Mac.
its important that you put it back in the machine where it was originally locked so that the motherboard firmware will be unlocked in the next step.
its important that you put it back in the machine where it was originally locked so that the motherboard firmware will be unlocked in the next step.
Boot up the locked Mac and referencing the number you recorded, you can start trying 4 numbers at a time for the PIN. my file was 1138515150.lock
Try the first 4, then the second 4, and so on…
For example: 1138, 1385, 3851, 8515, 5151, 1515, 5150.
In my case, the PIN was the second to last 4 digits: 1515
If you typed in more than 10 combinations, then it says that you are locked out for a minute. Just restart the machine and continue entering the combinations from where you left off.
Try the first 4, then the second 4, and so on…
For example: 1138, 1385, 3851, 8515, 5151, 1515, 5150.
In my case, the PIN was the second to last 4 digits: 1515
If you typed in more than 10 combinations, then it says that you are locked out for a minute. Just restart the machine and continue entering the combinations from where you left off.
Remove System Lock Pin Code Mac
Once you enter the right PIN, the Mac will instantly reboot proceeding to where you were when the lockout occurred. It will also remove the firmware password.
here it is new unlocked Mac!!! easy as that
Forgot System Lock Pin Code For Mac
More about MacBook pro:
Mac Lock Computer
![Digit Digit](/uploads/1/2/6/6/126678277/229325382.jpg)