HT201240 I've forgotten my administrator password.

Running OS X 10.7.5 and the lock is on in users and groups section of the system preferences and Apple ID is not ticked off for allowing to change password. What can I do????

Follow the instructions in the beige and green boxes.
http://pondini.org/OSX/Password.html
Note
You should now be able to log in with the new password, but you won't be able to unlock the Keychain. If you've forgotten the Keychain password (which is ordinarily the same as your login password), there's no way to recover it. You’ll need to reset your keychain in the preferences of the Keychain Access application.
http://support.apple.com/kb/TS1544

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HT201240 I've forgotten my administrator password and can't download software. can anyone advise how to reset a new password without having the original?

I've forgotten my administrator password and can't download software. can anyone advise how to reset a new password without having the original?

Forgot Your Account Password
For Snow Leopard and earlier
     Mac OS X 10.6- If you forget your administrator password
For Lion/Mountain Lion
    Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
     When the menubar appears select Terminal from the Utilities menu.
     Enter resetpassword at the prompt and press RETURN. Follow
     instructions in the dialog window that will appear.
     Or see Reset a Mac OS X 10.7 Lion Password and
     OS X Lion- Apple ID can be used to reset your user account password.
If you are unable to boot from an installer DVD:
(these will only work on Leopard or earlier)
1. Boot to Safe Mode by restarting and after the chime press and hold down
      the COMMAND-S keys until a black screen with white type appears.
2. At the prompt, type the following commands pressing return after each
      command line:
     /sbin/fsck -yf
     If you do not receive a "Filesystem OK" message then repeat this command
     until you do. If after seven tries you still do not receive a "Filesystem OK"
     message, then the system is corrupted and needs to be reinstalled.
     mount -uw /
     cd /private/var/db/netinfo
     mv local.nidb local.old
     rm ../.AppleSetupDone
     shutdown -r now
The second-to-last command above will cause OS X to think that the operating system is newly installed, and when the new owner starts up the computer it will send him/her to the startup wizard where he/she can start a new user without reinstalling.
This last method does not actually change a password. It simply removes the user accounts and lets you create an initial admin account as if the computer were new out of the box.
Reset Admin Password Using The Terminal
You can reset the password by printing out (or writing down) and carefully following these steps.
First, find the short name of the admin user on the machine. The easiest way of doing this is by looking at what the directory is called in the Users folder.
Now, start in Single-user Mode. It should boot into a command line.
Enter these exact lines. Press RETURN after each.
mount -uw /
ifconfig lo0 up
cd /var/db/netinfo
netinfod -s local
Now you'll need that short name. Enter "passwd", a space, and the short name of the admin. For example, if the admin was rather prosaically called "imadmin", you would enter "passwd imadmin".
The computer will now prompt you to change the password for "lmadmin" (or whatever the short name was). Go ahead and enter a new password.
Now, enter:
sync
reboot
and the machine will reboot. The admin password should now be changed.

I have forgotten my administrator password and can't find my Mac OS X Install Dvd..what can I do?

I have forgotten my administrator password and can't find my Mac OS X Install Dvd to reset it, what can I do?

OK, try this:
http://osxdaily.com/2010/08/10/forgot-mac-password-how-to-reset-mac-password/
Be very very careful if you decide to use Terminal. Even a small typing error can cause a disaster. And terminal commands must be typed exactly as shown, including spaces.
Good luck.
p.s. Your Apple ID and password - different from the computer log in password - are what you used to get to this discussion.

I have forgotten my administrator password, and there are no hints. I have a Mac OS X Mavericks. When I get to the reset password screen, it has no hard drive to select. What now?

I have forgotten my administrator password, and there are no hints. I have a Mac OS X Mavericks. When I get to the reset password screen, it has no hard drive to select. What now?

If you're using FileVault, you first have to unlock the startup volume in Disk Utility. Select it and click the Unlock button in the toolbar. Of course, this is only possible if you know another password to unlock the volume. If you don't, follow instead these instructions.

I've forgotten my administrator password and have lost the original install disc for my macbook but I do have the install disc for my imac; can I use the imac install disc to reset the administrator password?

I've forgotten my administrator password for my macbook pro and don't have the original OS X disc; I do have the OS X disc for my iMac. Can I use this to reset the password?

You have nothing to loose by trying it.
I doubt it will boot but try it anyhow.
You will need to contact Apple for replacement install disks.
Contacting Apple for support and service

I have forgotten my administrator password. How do I reset a new password?

I have forgotten my administrator password. How do I reset a new password?

Mac OS X 10.6 Help- If you forget your administrator password
The above also works in Leopard.

HT201240 i dont remember my administrator password and i have lost my cd, can u please help

i have lost my apple intallation cd and i dont remember my administrator password. anytime i try installing softwares it ask for administrator password, can anyone help me here

Replacement System Discs can be obtained from Apple's Customer Support - US (800) 767-2775 for a nominal fee. You'll need to have the model and serial number of your Mac available.
If you're not in the US, you may need to go through the regional Apple Store that serves your location to find the contact number - http://store.apple.com/Catalog/US/Images/intlstoreroutingpage.html

I have forgotten my administrator password for OS X 10.9.4. how can i reset it?

I can not recall my administrator password and I am unable to install a software I need. How can I reset it ?
OS X 10.9.4

Reset Password starting from Recovery HD
Start the computer,then press and hold down command and R keys to start into recovery partition.
When you see the Apple logo, release the keys.
Wait until OS X Utilities window shows up.
Move the mouse to the menubar at the top and click "Utilities", then select "Terminal"
from the drop down.
Terminal window will appear.
Type in resetpassword and press enter on the keyboard.
Leave the Terminal window open.
Reset Password Utility window will open with Macintosh HD selected.
Select the user account from the popup menu box.
Enter a new password.
Reenter the new password for the user.
Enter a hint.
Click the "Save" button.
Click  in the menubar and select Restart.
Log in.
If Keychain dialog box appears, select “Create New Keychain”.

HT201240 I have forgotten my admin password. Any idea what I should do. I do not have an install disc at one didn't come with the iMac. Have version os lion

I have forgotten my admin password. Any suggestions what I can do. I do not have a start up disc as the iMac (bought at christmas did not come with one. I have lion os.

Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
When the menubar appears select Terminal from the Utilities menu. Enter resetpassword at the prompt and press RETURN. Follow instructions in the dialog window that will appear.

I've forgotten my administrative password and am locked out of my laptop. How do I get back in?

I changed the administrative password on my Macbook Air and then lost my record of the password. I had to shut down earlier today and now I can't get back in to the Mac Air. What do I do to discover the password or go around it?

OS X 10.7 Lion, 10.8 MountainLion & 10.9 Mavericks
Reset Password using Recovery HD
Boot into Recovery Partition.
Start the computer,then press and hold down command and R keys to start into recovery partition.
When you see the Apple logo, release the keys.
Wait until OS X Utilities window shows up.
Move the mouse to the menubar at the top and click "Utilities", then select "Terminal"
from the drop down.
Terminal window will appear.
Type in resetpassword and press enter on the keyboard.
Leave the Terminal window open.
Reset Password Utility window will open with Macintosh HD selected.
Select the user account from the popup menu box.
Enter a new password.
Reenter the new password for the user.
Enter a hint.
Click the "Save" button.
Click  in the menubar and select Restart.
Log in.
If Keychain dialog box appears, select “Create New Keychain”.

I have forgotten my administrator password...help...

How do I re-install everything, as have changed password recently, then forgotten it....foolish...

Check this article on Resetting Password.

HT201240 How do i reset administrator password, if i have lost original disks?

I am using macbook model 2009 and i forgot admin password.Also, i lost my original disks.:)

Forgot Mac Password? How to Reset Your Mac Password (with or without CD)
Change the Admin Password with Mac OS X Single User Mode

I've forgotten my Administrator Password. When researching, it generally tells me I need to reboot my account with the original start-up disk. Is there a way to go about resetting your password without the disk?

Please if anyone can be of help whom knows how to reset your adminsistrator password without your original start-up disk, I would really appreciate it! Thanks

Try the method as mentioned by " Ds Store " in the below User Tip. You will have to boot your Mac in Single User Mode where you can reset the Password using Terminal Command and without the Snow Leopard Disc.
https://discussions.apple.com/docs/DOC-5381

Resetting a forgotten Administrator Password

I'm helping a friend who has an iMAC G5 which currently runs Mac OS X 10.4.8, (Tiger), and has forgotten his administrator password. The original discs for this machine are Tiger Mac OS X 10.2.3. We've already tried using the install disc (disc 1). We put the disc in and restarted the system, holding down the C key when the tone was heard and continued to hold it until the spinning gear appeared. It seems to load the CD because we could hear it grind as the system started up and we noticed small file-folder icons appear in the center of the screen with a question mark, but eventually it seemed to load the OS from teh hard drive and started as usual, with a Finder window open browsing the CD. From everything we've read, we should have instead seen the installation program where we'd have the chance to reset the administrator password. Can anyone offer some advice? Thanks!

Hi LLApple, and a warm welcome to the forums!
Yes, you should've sen the Installer, but...
I wouldn't try changing Tiger's Passwords with a Jaguar or Panther Install Disk at all.
Reset OS X Password Without an OS X CD...
http://theappleblog.com/2008/06/22/reset-os-x-password-without-an-os-x-cd/

Complications resolving forgotten administrator password...

Hi. I have an imac 10.5.8 which been in storage for a year or so. Unfortunately I have forgotten the administrator password. I have spent most of the day in forums but am still unable to resolve the issue. I would like to either use terminal to set up a new administrator account, or preferably to use the startup disc to reset my password.
I am not able to reboot in single user mode. I must have set up firmware protection when i got the imac years ago. (I cant fix this without the administrator password.)
...so I can't open terminal or the start up disc from the login screen.
I have tried opening terminal from the guest account (the only account I can get into) and using these instructions:
https://discussions.apple.com/thread/3506318
but terminal tells me that I do not have permission to do this.
I have tried numerous times to open the reset password application in the Utilities folder in the startup disc from within the guest account, but everytime it quits unexpectedly.
At a loss as to what to do. Would appreciate any help!
Thanks.

Maybe your are getting the firmware password? Do you see this image?
http://support.apple.com/kb/HT1352
http://reviews.cnet.com/8301-13727_7-57521667-263/use-the-calculator-to-reveal-a -macs-firmware-password/
Remove one memory stick. Then do as BD suggests.
BDAqua reminds me:
Then, the PRAM must be reset 3 times. (Command + Option + p + r).
http://www.securemac.com/openfirmwarepasswordprotection.php

HT201240 I've forgotten my administrator password.

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