I forgot the Firmware Password, and want to reset it.
How can I do it?
No DVD included when I bought it.
All the startup keys, like C, N, T, D, CMD+s, CMD+Option+p+r, CMD +v, Option, and Shift, does NOT work.
To add or remove DIMMs does NOT work.
Please, give me some helpful answer.
iMac, Mac OS X (10.7.3)
hey
i bought this mac and it turns out to be stolen. it showed me the "find my mac". so i decided to do a NVRAM reset, but it turns out there is a password.
what do i do?
what will apple say if i tell them this?
any solution manually or do i take it to the apple store?
i paid $900, will it get confiscated ?
See if this helps: MacBook Air (Late 2010) and later, MacBook Pro (Early 2011), iMac (Mid 2011 and later), Mac mini (Mid 2011)- Recovering a lost firmware password
Removing RAM should work but you must first disconnect the power cable, remove all the RAM, wait at least five minutes before reinstalling it.
I removed 1 ram out of 4 pieces, not ALL the RAM...
I will try it, Removing All the RAM and waiting more than five minutes this evening.
(I'm at my work place now ^ㅁ^)
If it does not help, I'm gonna deassemble the iMac, and remove the battery
to reset the BIOS and assemble again.
(I don't know it will work, but I just don't want to visit service provider)
I will write about the result haha
ResetFirmwarePassword wrote:
If it does not help, I'm gonna deassemble the iMac, and remove the battery
to reset the BIOS and assemble again.
Mac's don't have BIO's and there is no battery. Mac's are not generic PC's
You'll ruin the machine opening it up, Apple has placed a lot of trickbags inside that require education to open and put back just to prevent internal tampering.
Do all what Kappy says but I think you need to flush the PRAM and SMC too.
I saw this image last night. ( http://www.ifixit.com/Teardown/iMac-Intel-20-Inch-EMC-2266-Teardown/658/2 )
I thought it's for something like BIOS,
but now I see
"the iMac clock battery (190 mAh) stacks up with the 17" Unibody's behemoth"
Maybe u r right, I will not be able to reset Firmware
even I remove this battery... ㅠㅠ
Also, the link https://discussions.apple.com/docs/DOC-3046 says
"Parameter RAM is a small area of non-volatile RAM"
arrrrrrrrrrrrrrrrrrrrrrrrrrr!!!
But ㅠㅠ I'll try all that I can.
Thank you everyone.
No DVD included when I bought it.
That sounds as if your computer was bought recently, and shipped with Lion. The previously effective "physical access" methods may no longer work on newer model Macs.
See this article from last year:
Firmware password security improved on new MacBook Air & Pro
which includes:
-------------
It's possible that as newer Macs are released, they too will have the enhanced security that Apple has provided to the current MacBook Air and Pro lines.
---------------------------
And from the recently updated support article mentioned earlier:
---------------------------
Only Apple retail stores or Apple Authorized Service Providers can unlock these computers protected by a firmware password.
--------------------------
I tried.
Fail. ㅠㅠ
Anyway thank for you. I could try manything.
Just tried Removing All the RAM.
And did not work....
To tell the truth,
I didn't set a password on my iMac!!!
Why it asks me that password.... ㅠㅠ
why... why..................
Anyway, thanks a lot.
Everything is clear now.
Hey how did u fix it?
Please help me
How?
I went to the Service Center 😀
Took not a long time.
To fix the issue like this, the only recommendation I can give you is to make an appointment locally at an Apple Retail Store, or Apple Authorized Service Provider and ask them if they can reset the firmware password.
This would be the only recommendation I can give out, you will have to go to an ACMT certified tech, unless you're ACMT Certified. If you are, then you should know how to do it using your resources 🙂
I Believe that by now you already solved the problem, but I am just gonna post all the way.
You have never set up a Firmware password. It is there because you tried the iCloud feature "Find my mac" and tried to lock it remotely using OS X Mountain Lion. I did the same, and guess what. There was a bug recently, the bug caused the Lock my mac function to lock the firmware in your mac, not the actual mac itself. So it does not require password to start your mac as it should require, it requires password to make any changes on the firmware itself.
"The only way to disable the password is to take your mac to a Retail Store" they say, but if they can do it we can too. We just don't know how.
The password you need if you still don't know is that 4-digit password you set when you locked the mac remotely.
Thank you.
The problem have been solved aleady(I took my mac to a Retail Store),
but you answer is very persuasive.
Someday it happens again, I will try that way.
Thanks 😀
Thanks for the answer. I had that same bug. I knew I'd never set a firmware password before, and I had forgot about trying that lock feature on Find My Mac months ago. I typed in the four digit code, instead of my admin password, and voila!
omg. when u said 4-digit password. i immedietly knew what my password was! thank you so so much. disabled that crappy firmware password.
btw i indeed used find my mac. stupid bugs
update: you can change/remove the firmware password. you need to have a mountain lion boot disk and the utility is located in the utilities folder
How to reset Firmware Password? iMac, Lion, 10.7.3
