Linked Questions

22
votes
4answers
169k views

How can I reset a Mac's password from Single User Mode? [duplicate]

My sister bought a used MacBook about 6 months ago and she has lost her password. Here is the procedure I tried to use to reset the password: Boot into single user mode (press Command-S at power on) ...
7
votes
2answers
35k views

Resetting OS X Password Without Having The Installation Disc? [duplicate]

In the event that you have forgotten the login password to your Mac (for whatever reasons). What possibilities exist to reset the password without having the OS X installation disc(s) ?
1
vote
1answer
44k views

I have a MacBook Air and I lost (forgot) my Admin (root) password [duplicate]

I have lost or forgotten the root password. is there a way to recover it or reset it?
0
votes
1answer
20k views

Forgot administrator username and password MacBook Pro [duplicate]

I got a MacBook Pro and I forgot my administrator username and password and I can't log in into my account. If I use my guest account I can't log in into my iCloud because it is asking me for my ...
2
votes
1answer
12k views

no admin account OSX 10.13.5 [duplicate]

I have a macbook pro 2011 with high sierra 10.13.5 Today i tried renaming my admin account in the system preference / users. I couldn't rename the account, and i have lost the admin rights. Now i ...
1
vote
1answer
7k views

Reset Admin password/ unauthorized password change [duplicate]

My ex-wife managed to get on to my Mac (OS X 10.9.4) and change my password for log on. Luckily, I am still able to access my Mac as she didn't set it to screen lock. What do I need to do in order ...
1
vote
0answers
323 views

Reset Admin password for MacOS Sierra [duplicate]

In very much need of resetting admin password for MacOS Sierra. Unfortunately the previous instructions for the Mac OS X does NOT work for my Macbook Air. Please help!
0
votes
0answers
145 views

No longer admin on Mac [duplicate]

So I have a 2011 MacBook Pro that I received from a friend of mine. It had Sierra on the Mac and I was able to upgrade it to High Sierra. The account that I used to do all this was an admin account ...
0
votes
0answers
80 views

My MacBook Pro is blocked [duplicate]

I could not enter my mac, because I did not remember the password and then I changed it and tried to enter several times, but it does not let me. I only have the close button and the password box. I ...
0
votes
0answers
46 views

Changing my administrator user's username has removed privileges, rebooting doesn't work [duplicate]

Like the title says, I was trying to change my username on my MacBook (running High Sierra Version 10.13.6), it removed my admin privileges so I do not have an Admin account. I tried rebooting in ...
0
votes
0answers
17 views

Changed Fullname and Account name but not Home directory, now blank “Admin” page [duplicate]

This morning i changed the Full name and Account name on my account but not home directory name. Now, everytime an admin feature is needed, it just shows up as a blank login page. When i try to right ...
5
votes
6answers
17k views

How do I change the root password?

Everybody seemed very confused by the story and extra information I gave so I will simply ask a very straightforward question. Irrespective of your personal opinion on the utility of doing so; how ...
7
votes
3answers
1k views

How secure is Mac OS X's security?

My friend's MacBook Pro was recently stolen. Fortunately, it was protected with a password. How secure is the built-in protection ? Can thieves access the data on the hard drive, and at what ...
7
votes
2answers
3k views

Does activating auto-login compromise secure password storage?

or: Does enabling auto-login in OS X add any additional security risks? How does this auto-login work? I'm not a security expert, but I imagine that such a procedure would require the password to be ...
-1
votes
2answers
9k views

Macbook - I don't know the password or the type of macbook and don't have cd's

Is there any way of booting up and erasing the user account and creating a new one. I can't login, so I don't know what version of OSX this is. It's a white Macbook with a 2.16GHz processor. Model ...

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