Question about Apple MacBook Air

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Enter your system lock pin code to unlock this mac)

I have a macbook air and it's get locked , it's asking about pin code wz 4 digits number the msg is (enter your system lock pin code to unlock this mac)

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Posted on Jan 28, 2013

  • Andrew Roazen Dec 11, 2014

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Go to and they will unlock any password on any Mac.

Posted on Oct 10, 2014


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Hi there,
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Posted on Jan 02, 2017

  • 160 Answers

SOURCE: Is there an application (for Mac' Leopard) to change region code?

You can 'flash' the Firmware of the drive.
buy a Mac-compatible external DVD Burner.
They are Region-Free and you dont have to mess with your mac

Posted on Sep 02, 2009

  • 70 Answers

SOURCE: my mac air keyboard is not working or is lock how

Try reinstalling the software.It should fix the issue.If not then the issue is with the keyboard.take it to the service center

Posted on Apr 12, 2010

SOURCE: ne macbook pro locks up

I'm running on Mac OS X 10.5.3 (9D34) and Microsoft office 12.0.1. Most of the time i'm running entourage, and safari in the backround. at the times that the computer locks up there isn't a whole lot going on.


Posted on Jun 17, 2008

  • 206 Answers

SOURCE: i have macbook osx an im locked out , i have no info

By not being more specific, when you note that you are locked out of your Macbook, I would have to presume you are referring to your User Administrator account or you have a FileVault password which is prompted for, upon booting up and you have forgotten that password.

Not sure which could be the case, so I will 1st provide you steps for resetting your Administrator password with your Mac OS X installation disc and 2nd, provide you, a key Apple support link, for fixing the forgotten FileVault password (just in case this is the culprit, which is locking you out of your Macbook).

• Place your installation Disk (Tiger or Leopard I presume) into your drive and
allow it to load.
• Restart your Mac
• As soon as you hear the Apple Chime, press the "C" key on your keyboard
and hold it.
• You will see a White Screen, Grey Apple first, do not release the C key until you
see a Spinning gear.
• Once you see that Spinning gear, release your C key and allow the disc to
continue loading

(Works for both Mac OS X 10.4 (Tiger) and Mac OS X 10.5 (Leopard))

• When the booting to the Mac OS X disc is completed, you will now be in the
Installer environment
• Enter to next page, look up on upper left corner you should see "Installer" near
the Apple menu.

• Two spaces over you should see Utilities. Click Utilities>Reset Password.
• Select your user name from the drop down list and reset your password.
• When you are done, simply exit the Reset Password and Installer and reboot.

• At the Login window, enter your new password and you should be back into your home User Administrator account.


Apple Support Link:
Help if you forgot FileVault password




Posted on Jan 31, 2010

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Enter Your System lock PIN code to Unlock this Mac That Is The Problem with It, Any Way To Fix It? I Try So Many Times Looking Who Can Help Out With This Situation Which Is A Headache

You have set a password for it. If you cannot recreate it. You can call Apple. They charge $20 on most calls. Might give you a freeby on this problem. You will need the serial number on back of machine which I had to use a magnifying glass to read. Good luck

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How i reset apple macbook air 4 digit pin code

1) What model and what year is your Macbook Pro?

2) What country are you in?

3) Is your Macbook still under warranty? That is, can you call Apple or send it to Apple for repair if you have to? Because on some Macbook Pros, only Apple can reset the EFI PIN

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Problem: Your Mac got locked via iCloud and on boot displays "Enter your system lock PIN code to unlock this Mac." It also sets an unknown password on the firmware so you can't boot from a disc. And you don't know the PIN code for a variety of reasons (not my business).

Solution: Mount the locked drive on another machine, find the PIN, re-install the locked drive into the original Mac, enter the PIN, resume your business.

*I'm going to post the steps I did in my case and suggest steps you might take if your case varies.

Things Needed:
1. Alternate machine with space to mount an additional drive. (works on Mac or PC*)
*If you're using a PC, you'll need to download and install Mac Drive to be able to read the contents from a Windows environment.
2. You might need a SATA to USB adapter if you have a laptop without room for an additional drive.
3. Screw driver to disassemble the Mac.

Step 1: Remove the locked hard drive from your Mac.
You can find detailed guides for your specific machine at

Step 2: Install the drive into your alternate machine. But make sure you do *not* boot from it. Boot from your regular drive.
If you do not have an alternate machine, feel free to ask a tech buddy of yours to lend you their machine.

Step 3: Once booted into the alternate system, locate your locked drive.
In my case it was drive D: on Windows. Now browse to \Users\username\Library\Application Support\iCloud

Step 4: In the folder "iCloud" find a file named with a bunch of numbers: ##########.lock In my case it was: 1138515150.lock

Step 5: I'd suggest that you take a picture of this file name for accurate reference. But you can also just write it down.

Step 6: Once you got the number, power down the machine and remove the locked drive.

Step 7: Install the locked drive back into the original locked Mac.
Follow your iFixit guide from Step 1 in reverse to put the drive back.
*It is 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.

Step 8: Boot up the locked Mac and referencing the number you recorded, you can start trying 4 numbers at a time for the PIN.
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.

Once you enter the right PIN, the Mac will instantly reboot proceeding to where you were at when the lockout occurred. It will also remove the firmware password.

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Maybe the owner's manual might make reference to some sort of reset option. If the password is a simple 4 digit code, then guess it. Most peoples' passwords have something to do with the person who set the password, I.e. a nickname, name of a family pet, anniversary date, etc.

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Someone has done a remote lock on your laptop. Probably the previous owner, a family member, or someone with access to your laptop and Applie ID account info. Ask them for the PIN code (the person in the know), call Apple and talk to the genius bar, or get your money back.

The other and more sad reason that this happened is because the laptop was stolen and the person that it was stolen from has locked it. BTW, Macbook Airs also have GPS inside so the owner can trace where it is and since they remotely locked it I would assume that they are looking for it. Hopefully this is not your case, but if it is....

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You can reset your password with the OS disc. Reboot using the disc and choose Reset Password from the menu bar.

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My macbook pro is asking for a pin

When is it asking? Have you installed some additional software that is asking for it?Under normal circ u,stances your mac never asks for a pin, it would ask for a password.

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