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Modell A1312 / Mitte 2011 / 2,7 & 3,1 GHz Core i5 oder 3,4 GHz Core i7 Prozessor, ID iMac12,2

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Bypass firmware lock on Mid 2011 iMac

I was wondering if simply replacing the HDD will bypass the lock? I tried the ram trick with no luck. I have 3 machines that all have this issue and need to find a way to bypass the lock. Thanks!

Update: I swapped HDD's, and had no luck, still has firmware lock.

Beantwortet! View the answer Ich habe das gleiche Problem

Ist dies eine gute Frage?

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Kommentare:

Would you post a photo of what kind of lock it is as there are different ones.

von

They boot and ask for the name and password, but when i try to change the ram to different sizes and reset the PRAM it goes to the standard firmware lock screen. [image|1162418][image|1162419]

von

Keep the original HDDs with their respective computers! From what I understand, if you mount the drive externally on another computer, there is a file somewhere that contains the password. I don't recall exactly where it is, but I saw it somewhere online before.

von

Taylor here's how how to get those images to post: Adding images to an existing answer

von

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1 Antwort

Gewählte Lösung

What are you doing with three stolen machines? These are iCloud locked. Hard drives don't matter on these, sounds like your EFI firmware is locked. The RAM trick worked with machines prior to about 2009, it no longer does.

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I work for the university, we process all the machines that departments no long use snd then sell them to the public. These came to us locked from our library. We try to bypass things without their involvement because contacting them (and actually getting a response) may take weeks. But thats what we've resorted to in this case, at this point. Hopefully their IT guy can come and unlock them for us!

von

Did you ever get it unlocked I have the same problem Mac purchased from the local university

von

We ended up tracking down the departments they came from and their IT people came and had to physically unlock the machines.

I would contact the university and they should be able to unlock it for you.

I don't know why they would sell it to you in that state :/

von

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Taylor Struna wird auf ewig dankbar sein.
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