Reset NVRAM while EFI Password enabled

I have a macbook pro (late 2011).
And, I need to reset the NVRAM / SMC.
However, I have my EFI Password enabled.
And, I DO remember my EFI Password (a lot of people in Google is searching how to reset it, anyway) !!!
When I do the following -
     1. Restart
     2. Press & hold CMD+ALT+P+R while booting, it prompts the EFI Pawword
     3. I provide the password
     4. Immediately after entering EFI Password, I press & hold CMD+ALT+P+R
     5. It loads OS X Utilities, does not restart (as explained in Apple's page, the system should restart)
I have reasons to believe that the NVRAM is not reset
By the way I do not want to get rid of EFI password.
Any luck ?

Thanks DS Store.
I meant to say NVRAM (of Intel Macs), not PRAM (PPC Macs).
The first article is good, however, I am able to find little help for my problem.
It covers PRAM, and till OS X 10.5.X. Mine is 10.8.X.
I have browsed Google, and found that I need to visit Apple Care for EFI Password reset (or, use the logic board reset).
Any alternative ? This is bad to forbod someone from resetting NVRAM / SMC if EFI Password is enabled :-(

Similar Messages

How to reset EFI password ??

i got stuck on efi password . how to reset and can i update my os without efi password ??

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 arrow button below the icon.
From the menubar select Firmware Password from the Utilities menu.
Yes, you can upgrade software without a firmware password, but you do need an admin password for your login account. I think you have these two confused.

HT4623 While updating to IOS7 i cannot get past the rescue email page when I reset my Apple ID password. what do I do?

While updating to IOS7, I reset my Apple ID password, but now I can't get past the recovey email screen. Any suggestions?

Power your phone off and restart it. It worked for me!

Reset-nvram, reset-all necessary with RAM upgrade/EFI?

When you upgraded or downgraded ram with the ppc architecture it was always best practice to reset-nvram, reset-all within open firmware. I've gone through apple's documentation and done a little research on the internets and can't find out if this is still necessary.
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Thanks for the reply. Just installed 2gb (2x 1gb transcend sticks)
So far so good:
1.83ghz, wifi, bt, dashboard widgets off, no apps running
Xbench @ 512mb = 48.31 on batt, 'normal'
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8310 Password Enabled Locked....How to reset and clear lock to disable password?

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Yes. If you know who's company is was a part of, the BES admistrator can send a default IT policy to device to remove any restrictions from the device. I also found you can try removing the policy yourself. I've never tried this, but here's a link describing how to do so: http://www.blackberryfaq.com/index.php/Remove_IT_Policy
If someone has been helpful please consider giving them kudos by clicking the star to the left of their post.
Remember to resolve your thread by clicking Accepted Solution.

HT1687 Anyone know how to reset my iphone vm password while in Canada and not turning on cellular so I don't get charged for roaming? Verizon says its an iphone issue and Apple says to contact my carrier?!

Anyone know how to reset my iphone vm password (so I can listen to my messages) while in Canada and not turning on cellular so I don't get charged for roaming? Verizon says its an iphone issue and Apple says to contact my carrier?! I don't want to pay for roaming and I am able to use my phone fine and also connect to wifi while at friend's houses etc.

It's not a Verizon reset - under General and phone there is a place to reset my password however I can't do it without cellular turned on.

EFI PASSWORD RESET

I got struck into a big problem, pleasehelp me out!!
My macbook air is locked by somebody, unable to unlock its EFI.
please help

You have to take the computer to the Apple store to have the EFI password removed.
Best.

Set EFI password on clients from Snow Leopard Server?

Hi everyone,
I would like to know if there is a way to set up EFI password over my 10.6 clients without use of an installation DVD. I have about 500 clients here and it will become a great loss of time set them one by one booting from DVD.. They are managed by a 10.6 server and soon I'll receive an ARD license.
Thanks in advance

Thanks very much.
Following your tip I've found that to enable password request the command is
sudo nvram sucurity-mode=command
followed by
sudo nvram security-password=<pass_code>
this sets a chosen password. To know the encoded version of our pass is sufficient use
nvram security-password
Now i'm looking for a way to reset both theese parameters for a rollback procedure.

1)Could not start up os x 2)Only could start bootcamp 3)Tried resetting nvram 4)Could not start even in bootcamp 5)Verify disk says -. Verifying volume "Macintosh HD" Error: Live file system repair is not supported 6)Installed maverick on USB d

1) Could not start up os x
2) Only could start bootcamp
3) Tried resetting nvram
4) Could not start even in bootcamp
5) Verify disk says …. Verifying volume “Macintosh HD”
Error: Live file system repair is not supported
6) Installed maverick on USB drive
7) Boot from USB drive. Tried verifying HD: Volume header needs minor repair. The volume Recovery HD was found corrupt and needs to be repaired. Verifying volume “Macintosh HD”: Error: live file system repair is not supported.
8) The terminal code says
9) Last login: Wed Feb 11 14:09:47 on console
10) xxxx-MacBook:~ xxxx$ diskutil list
11) /dev/disk0
12) #: TYPE NAME SIZE       IDENTIFIER
13) 0:      GUID_partition_scheme *160.0 GB   disk0
14) 1: EFI EFI 209.7 MB   disk0s1
15) 2:                  Apple_HFS Macintosh HD            80.1 GB disk0s2
16) 3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
17) 4:       Microsoft Basic Data 50.0 GB    disk0s4
18) /dev/disk1
19) #: TYPE NAME SIZE       IDENTIFIER
20) 0:      GUID_partition_scheme *15.6 GB    disk1
21) 1: EFI EFI 209.7 MB   disk1s1
22) 2:                  Apple_HFS BOOT                    14.8 GB    disk1s2
23) 3:                 Apple_Boot Recovery HD             650.0 MB   disk1s3
24) Saeedehs-MacBook:~ saeedehmirbagheri$ diskutil cs list
25) No CoreStorage logical volume groups found
26) Saeedehs-MacBook:~ saeedehmirbagheri$ sudo gpt -vv -r show /dev/disk0
27) Password:
28) gpt show: /dev/disk0: mediasize=160041885696; sectorsize=512; blocks=312581808
29) gpt show: /dev/disk0: PMBR at sector 0
30) gpt show: /dev/disk0: Pri GPT at sector 1
31) gpt show: /dev/disk0: Sec GPT at sector 312581807
32) start       size index contents
33) 0          1 PMBR
34) 1          1 Pri GPT header
35) 2         32 Pri GPT table
36) 34          6
37) 40     409600      1 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
38) 409640 156394528      2 GPT part - 48465300-0000-11AA-AA11-00306543ECAC
39) 156804168    1269544      3 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
40) 158073712   56853648
41) 214927360   97652736      4 GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
42) 312580096       1679
43) 312581775         32         Sec GPT table
44) 312581807          1         Sec GPT header
45) xxxx-MacBook:~ xxxx$ sudo fdisk /dev/disk0
46) Disk: /dev/disk0 geometry: 19457/255/63 [312581808 sectors]
47) Signature: 0xAA55
48) Starting       Ending
49) #: id cyl hd sec - cyl hd sec [     start - size]
50) ------------------------------------------------------------------------

Thank you -
I booted from external USB. The diskutil list output is from OS x booting from the USB, which shows the following:
Saeedehs-MacBook:~ saeedehmirbagheri$ diskutil list
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *160.0 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            80.1 GB    disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
   4:       Microsoft Basic Data                         50.0 GB    disk0s4
/dev/disk1
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *15.6 GB    disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:                  Apple_HFS BOOT                    14.8 GB    disk1s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk1s3
Saeedehs-MacBook:~ saeedehmirbagheri$ diskutil cs list
No CoreStorage logical volume groups found
I am not able to use target disk mode because I don't have firewire/thunderbolt ports.

G5 Dead? Zpping PRAM, resetting NVRAM and PMU don't work...

First of all sorry, I'm new to this forum and unfamiliar with your etiquette so sorry again if this has been taken care of before.
I own a Power Mac G5 (the first model on this page: http://support.apple.com/kb/SP96 ). It's been running pretty smoothly up with the occasional hang ups, but nothing I wasn't able to take care of myself). Today, after two or three attempts to work on it, the whole system froze and I was forced to shut it down manually. Since then, I haven't been able to get into the OS. Here's what happens:
-The opening chime and fan work as usual, the first couple of times, the computer would sound as if loading, but it would not show anything but a black screen and I am forced to shut down manually, again.
-After resetting PRAM, every time I open it up, it reaches the grey screen with the Apple logo, but after a few seconds of the spinning gear, everything freezes and again, force shut down.
-Looked around all the forums, tried zapping again, tried resetting NVRAM, resetting PMU, did a fsck -fy check up tried to start in Safe mode (nada), tried to boot from disc, can't even reach it. Tried using the option key while loading to get the choices, still nothing.
-I've tried leaving it alone for extended periods of time, nothing...
I'm out of ideas and have a very bad feeling about what this all means... What could the problem be? I haven't installed anything new on the computer which I mostly use for ripping my LPs and to record some of my own music using Ableton Live.
Any hints, clues or help would be greatly appreciated.
PS: I forgot to mention that even though the screen freezes, the computer seems to still sound as if it's working or booting, but nothing else happens and every time I'm forced to quit manually.
Message was edited by: Boro76

Thanks so much for the quick reply. My PowerMac doesn't seem to want to boot from the DVD. Tried it twice and although I'm pressing the right combination of keys, the load keeps going to the grey screen and freezing a few seconds into the radian wheel. The only things I see to be able to do is get into single user mode or open firmware. I tried rebooting from Single User and am getting the following messages (don't know if this will help):
USBF: 20. 99 OHCI driver: OHCIRootHubPortPower bit not sticking (0). Retrying.
and this messages repeats about 30-40 times and then everything freezes.
Once I tried to reboot after doing an fsck -fy and I got a different message before it froze. Can't seem to get it back, but there was something about PACEfamily in my library ("no such file or directory) and another line about a keychain with the wrong username password...
Any idea!?

How do i reset my Iphone 4 password without restoring to default?

Recently I've been having problems with my roommates watching me enter my password which forced me to change it periodically.
Only now I can't remember what I changed it to most recently and restoring it to factory settings isn't really an option considering the volume of the content on the device.
I've been without access to my phone for the past week and it's getting almost aggravating having to call and talk to some lady about the issue I'm having, having her sound very empathetic and saying they could "assist me in resolving this today", only to have her say that I'd need to pay $30 just to have her tell me a few words.
I don't have $30 right now and I think it's beyond stupid that they're 'unable to help' me because of this.
In the Backups section of the Apple site I read:
" If you protect your iPhone or iPod touch with a passcode, you will be prompted to enter the passcode when you connect to iTunes. Once you successfully enter the passcode, iTunes will recognize that device as authorized and you will not need your passcode to back up or sync (Which I've done). When restoring from an iOS 4 (or later) backup, if the device had a passcode set, iTunes will ask if you want to set a passcode (and remind you that you had protected your device with a passcode.) iTunes will not ask you to set a passcode when restoring from iOS 3.x and prior backups. "
I've just tried restoring from a backup I created last week but my password is still enabled and I'm still unable to remember what I changed it to.
I'm not sure if I misunderstood the bolded section but I was under the impression that restoring it from iOS 4 or later would remove/reset my current password and allow me to set a new one. That hasn't been the case.
I'm not really sure where to go from here, so any and all help is appreciated.
Thanks,
Mjk

How do i reset my Iphone 4 password without restoring to default?
If you don't remember it, you can't.

How to Reset Windows 8 Admin Password without Disk

Problem:Forgot Windows 8 admin password and no reset disk available, how can I reset Windows 8 admin password? On the occasion, how to reset password on Windows 8 seems to be our problematic issue. However, the problem looks difficult, not difficult actually. Two factors make efforts on it. One is the new characteristics of Windows 8 system, the other is software technology development. So just let me help you to solve it. Just choose one and put it into practice:1. Get User password via Windows Password Hint.2. Get into computer with PIN code, and reset password for locked account.3. Login windows 8 Via Microsoft MSN Account.4. Reset Windows password with another available admin account.5. Reset Windows 8 password with iSunshare password tool. These methods will be introduced in details for people who have encountered or are facing this problem. 1. Get Administrator password via Windows Password HintWhen we are creating our Windows system account and login password, a password hint will be asked to set up for preparation. This password hint had better can remind you, only just you of lost or forgotten password. So it couldn’t like the password, but is related to your login password. As a result, while you type a wrong password, the password hint will pops up below the password input box. Based on the password hint, you can think of your origin password.  As seen above, my password hint is email [email protected], and my Windows 8 login password is the same as the password of email. So when the password hint pops up, I will think of Windows login password instantly. 2. Get into computer with PIN code, and reset password for locked accountPIN code is a quick, convenient way to sign in to this PC by using a 4-digit code. If you have ever created one, this may be the most simplest and effective method for Windows 8 password reset. Totally two steps are needed. Step 1: Sign in with PIN code
When you forgot your local account password in the login page, sign-in options is provided for you to choose. Click the Sign-in options, there are two options, Password and PIN. Choose PIN, and input 4-digit code in the box. Then you can sign in to your computer successfully. Step 2: Press Windows +X, and click on Command Prompt (Admin) and Yes. Step 3: On the Command Prompt, type in: Net User <user name> <new password> and press Enter to reset a new password for Windows 8.  Command Prompt screen appears, input the words like the words in the red box, user name is iSunshare, new password is 12345, and then press Enter to complete the Windows password reset process.  3. Login windows 8 Via Microsoft MSN AccountIf your computer has set up to sign in to Windows 8 with Microsoft account, and you can login Windows with it, and create a PIN that any user who has a password must enter it when waking this PC, and then login with PIN code, reset password with Command Prompt. 4. Reset Windows 8 Password with Another available Admin AccountIf there is another admin account available, log on to Windows with this account first, and then reset other accounts passwords would be easy.
>> Enter Computer Management screen
Click My Computer to select Manage to enter this screen
>> Set password for account you want to reset
Click Local Users and Groups, choose Users, and right-click the account you want to reset its password to choose Set Password. 5. Reset Windows 8 password with iSunshare password toolWhen you have no password reset disk, the first and most important effort of Windows password recovery advanced tool is to create a password reset disk. How to reset Windows 8 forgotten password step by step by iSunshare Windows Genius Advanced? Follow the below steps.Step 1: Download iSunshare Windows password recovery advanced tool from iSunshare official website. Install and launch it on an accessible computer.Step 2: Create a password reset disk
Insert writable USB or CD/DVD into accessible computer and select correct media type, and then click Begin burning to burn the removable device. Until the message “Successfully burning” pops up, it means password reset disk has been created completely.
Step 3: Boot from USB or CD/DVD Setup
>> Insert the removable device to your locked computer
>> Boot your locked computer, and press DEL or F2 at the same time to enter BIOS setting screen
>> Reset removable device as the first boot device under Boot option
>> Windows password reset screen appears after all the above settingsStep 4: Reset Windows 8 forgotten password
After all the above settings, Windows password reset screen appears.
>> Select the Windows system type and the account you want to reset its password. Or you can add a new account for Windows 8.
>> Click “Reboot” to restart your computer, then you could login Windows 8 without password successfully.   Source: Reset Windows 8 Password without Disk

A few days ago, I had met the headache things that I had forgotten Windows 8 password. The login screen rejected my passwords. I was frustrated because there was very important data on my disk and I couldn’t reinstall the OS. ………….
I fortunately got to know the PCUnlocker program, which is a professional windows password recovery tool for us to reset windows 8 password instantly yet no data loss.

How to reset Windows 7 Administrator Password with USB Drive

The first thing we often do When we *Lose Windows 7 password* is asking a computer expert for help. However, it is only a moment for you *forgetting Windows 7 password* and it may take you several days to regain access to your system. From now on, don't worry about anything when you forgot windows 7 password. The article will give you some ideas to *reset Windows 7 password* with USB Drive.
*Section One: Reset Windows 7 password with Password reset disk.*
Most people usually only know how to create a new user with a strong password or change it. But they don't develop a habit to create a password reset disk for preventing lost password. It is a great and free gift from Microsoft. Click here to learn how to create password reset disk in windows 7 If you ready have a reset disk, please follow steps below:
Step1: Start or restart your computer, insert your USB. In the welcome interface, press ctrl+alt+delete twice, get into the classic log on box. Then type the user name that you want to use and a wrong password or leave it blank, and then press ENTER or click OK.. it will show you logon failed.
Step2: Click *Reset password*...... it will show you the Password Reset Wizard. And it enables you to create a new password for your user account. In the Password Reset Wizard dialog box, click *Next*.
Step 3: Chose the disk which you insert, click *Next*. Type a new password in the Type a new password box, and then type the password again in the Type the password again to confirm box. In the Type a new password hint box, type a hint for the password or not, and then click *Next**→**Finish*, and then try to log on to Windows XP again when use the new password you just set.
This *USB Password reset disk* only use in a certain account which you have created before, or it won't help. So it's better to create a password reset disk when you add a password to account.
*Section Two: Reset Windows 7 password with Windows Password Rescuer run from USB drive*
If you haven't created a password reset disk for your account and unfortunately you lost or forgot windows password, see bellow. I will show you step-by-step guide to do this task in several minutes with USB, without reinstalling system or losing any data.
Step 1: Prepare a 2GB USB flash drive and a computer which you can access to.
Step 2: Download Windows Password Rescuer Personal and install it to a computer which you have access.
Step 3: Run the program and burn the ISO image to the USB Flash Drive.
*NOTE:* This action will make your USB drive be formatted and all your data in it will be lost. You'd better provide one with nothing in it.
Step 4: Use the USB to reset windows 7 password. Before this step, you must set your computer boot from USB. Then start your computer, and you will enjoy the process of resetting the password, it is easy and quick. Don't worry if you have difficulty to bios setting, you can see more in the Windows Password Rescuer website.

Very interest posting. Thank you for this detailed description and useful links.
If you have more interesting stuff to share with us you are welcome.

Using EFI password "full" security isn't working

Hi,
I'm trying to use the EFI Password Utility to prohibit any attempt to boot my MacBook Pro without the correct password. I used the utility available on the MacBook Pro's supplied install DVD, and so far have successfully prevented the use of any keystrokes on boot without the correct password (ie. "command" mode). However, I am unable to set the EFI to prohibit any attempt to boot.
Apple documents in its, "Mac OS X: Security Configuration - For Mac OS X Version 10.6 Snow Leopard" PDF manual that,
You can also configure EFI from the command line by using the nvram tool. […]
You can set the security mode to one of the following values:
     Full: This value requires a password to start up or restart your computer. It also requires a password to make changes to EFI.
For example, to set the security-mode to full you would use the following command:
     $ sudo nvram security-mode=full
I applied this setting, but it doesn't appear to be working. The redacted output of "nvram -x -p" is as follows:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
          <key>EFICapsule_Result</key>
          <data>
          REDACTED
          </data>
          <key>SmcFlasherResult</key>
          <data>
          REDACTED
          </data>
          <key>SystemAudioVolume</key>
          <data>
          REDACTED
          </data>
          <key>boot-image</key>
          <data>
          REDACTED
          </data>
          <key>efi-apple-payload0</key>
          <data>
          REDACTED
          </data>
          <key>efi-apple-payload0-data</key>
          <data>
          REDACTED
          </data>
          <key>efi-apple-recovery</key>
          <data>
          REDACTED
          </data>
          <key>efi-boot-device</key>
          <data>
          REDACTED
          </data>
          <key>efi-boot-device-data</key>
          <data>
          REDACTED
          </data>
          <key>gpu-policy</key>
          <data>
          REDACTED
          </data>
          <key>prev-lang:kbd</key>
          <data>
          REDACTED
          </data>
          <key>security-mode</key>
          <string>full</string>
</dict>
</plist>
What makes it confusing is that Apple specifies later on the same page (56) that the the term passed to the "security-mode" option should be encased in quotes:
# Secure startup by setting security-mode. Replace $mode-value with # "command" or "full."
     sudo nvram security-mode="$mode-value"
So, assuming that I may have used the wrong version of the command, and thereby not applied the setting correctly, I deleted the "security-mode" key using:
sudo nvram -d security-mode
I then re-applied the setting using:
sudo nvram security-mode=full
because I was confident that, initially, I had used the version with quotes. However, it's made no difference - booting the machine does not require entry of an EFI password.
Oddly, the EFI still prevents the use of keystrokes (ie. "command" mode), so it's definitely functional; I just can't tell it to use "full" mode. Also, I note that "security-mode" is the only key to have a "string" child not a "data" child - is this indicative of a problem?
Any advice?

I've got the same problem as OP but I'm not concerning myself with the physical security of my device--an entirely separate topic altogether.
Essentially, I know that with physical access to a Mac box it's possible to enter single user mode and change the password. I also know there is a way to prevent that ability by changing the default login credentials I just don't remember the phrase of what I'm looking for. I know that I have a pdf on hardening snow leopard which probably has information on how to restrict password changes when in single user mode, but I can't find it.
Here's some stuff that should at least get you started in the right direction:
http://support.apple.com/kb/HT1352
http://lists.apple.com/archives/fed-talk/2011/Feb/msg00022.html
Definitely read:
http://www.nsa.gov/ia/_files/factsheets/macosx_10_6_hardeningtips.pdf
Depending how much time you want to spend on this, there's also a book by Charlie Miller called "Mac Hackers Handbook" that's worth the read--although I have yet to do completely so myself. I did get to see his talk at DefCon 2011 and it was pretty amazing- he developed a technique to essentially make a Mac laptop battery explode from a remote location-- although he never has actually done it for fear of...you know...actually destroying his computer. lol. The next time you hear a MacTard bragging about how OSX is a secure platform, be sure to bring that up. Also distinguish between viruses and malware in general the next time you talk to a genius about mac security- we recently discovered a rootkit on one of the Macs on our network.
Back to the topic--If you're going to go through the effort of securing one aspect of your box, you mind as well keep going with it if you have legitimate reasons to worry about unauthorized access.
Another awesome resource is the Electronic Frontier Foundation:
https://www.eff.org
https://ssd.eff.org/risk
They have guides about nearly everything concerning online anonymity and/or security and they're really good about keeping it 'human readable' - ie understandable to the average user. I'll try to find that pdf and upload it if I do. Those other resources should point you in the right direction- if not explicitly answer your question. Let me know if you find anything too . Help me help you.
<Edited by Host>

HT5577 I had tried a billon times resetting my apple id passwords & still cant sign into my mac pro nor my hp... so pls pls help???

Please can someone pls help me out i had been resetting my apple id passwords a billon thousands times & still can't sign in even it said password had been reset???
i did this on my mac pro n even my hp can't update pls help me out what can i do & am am not good with computer? :\

2 How to get back to getting into my screen, without that first (& superfluous - since only 3 people use it & it's a HOME computer, not a business that needs extra protections) screen?
Resetting Password
1. Shut down comp & wait a few minutes.
2. Turn on & at the same time hold down the “command” & “R” keys.
3. Next screen….. In the menu bar click on Utilities (NOT OS X UTILITIES)
4. In the drop down menu, click on Terminal.
5. In the terminal pop up small window: Type exactly—> resetpassword
Hit return key.
6. Reset password window will pop up. Follow the onscreen instructions to reset password. Make sure you select the admin account to reset the password.
7. You can ignore the “keychain” pop up windows, which is what I did. Does not affect anything.
You can do the keychain stuff at your leisure.
8. Quit out of everything & restart your computer.
9. Enter your new reset password.
Once you are back on the desktop, you can go into System Preferences>Users & Groups. Double check to make sure auto login is enabled.
Also, check out the following User Tip: Reset the user password in OS X Lion, Mountain Lion, Mavericks and Yosemite
==========================
I bought this mac in june 2012
My next step is to go to the Store folks to fix all - Call support messed me up & so far
If you have AppleCare & same is still active, suggest that you call Apple Customer Relations - 1-800-275-2273. Ask politely & firmly that you want to be transferred to Customer Relations. Tell them exactly what you stated in your post.
Be sure to tell them that you have an iMac. Why? Because, under AppleCare, iMacs qualify for HOME tech repair/support when warranted. No need to lug an iMac to a repair facility.
GOOD LUCK!

Reset NVRAM while EFI Password enabled

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