iMac Intel 24" 2211 wont boot and restarts itself

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iMac Intel 24" EMC 2134 and 2211

Model A1225 / Mid 2007 and Early 2008 / 2.4, 2.8, or 3.06 GHz Core 2 Duo processor

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Travis Godek @tgodek1

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发帖于: 2019年11月28日

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iMac Intel 24" 2211 wont boot and restarts itself

I have an iMac 24” Intel 2211 Desktop and I dont know how to proceed and I never have problems like this!!

The computer starts to boot with the Apple Logo and the grayish screen but as I hear it booting up a list of the whats happening appears on the left side of the screen. Like a self diagnostics in a sense. Says NO OS installed and restarts itself again and again and again. I bought a new osx to load it with and it didnt pull up or change at all. Ive tried to get into the recovery mode of the computer and it never did no matter how many different ways I tried too…

Hard Drive???

I was given another imac from a friend of mine and was thinking of taking the hard drive out of that one and put it into my imac 24” Intel 2211 but I don’t know if its compatible or not being an iMac Intel 21” 2210 desktop (anyone know if that would work? if so switching out the drives does that mean I have to load a new osx or will it just update itself?

Ill Try anything!!!! Any ideas and responses to my switch out of hard drives…

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Dan @danj 声誉积分: 478.9千 Self employed contract worker 35 329 970 · Answer 1 · 2019-11-28T07:01:17-07:00

What you are seeing is your system starting up in Verbose Mode Start up your Mac in single-user mode or verbose mode

So either your keyboard is jammed up (not likely) or the OS on your hard drive is in trouble. So replacing the drive might be needed here iMac Intel 24" EMC 2134 and 2211 Hard Drive Replacement

But before you do down that path lets see if you can fix your drive. The easiest way is to leverage Target Disk Mode since you have two Macs by setting yours up by restarting it and pressing on the T key. All you need is a FireWire cable to connect the two systems together back to back!

Reference: Mac startup key combinations

At this point your iMac’s drive is being see by the other iMac as an external drive. Now we do need to be careful here as your system needs a newer OS release than your friends. The highest you can go to is El Capitan OS X 10.11.6 make sure you have a copy of the installer!

Before you do anything make a backup of your data copying off to an external drive your stuff. Then launch Disk Utility and check your drive and make any repairs it requires. See if that allows your system to startup on its own. If not setup your system again in TDM and this time reformat your drive.

If you’re lucky you still have the OS installer on your drive or your friends system might have it. We still have one more problem before we can install the OS! Apple has a certificate system within the installer which checks your systems date to see if the window the installer is what your date is. Well… The window is no longer valid! So we need to cheat! Both of your systems date needs to be rolled back to a date that’s within the window - Dec 2016 following this:

Run the OS installer from your friends iMac and make sure you’ve selected your systems drive. Let us know how it goes!

As far as using your friends DH I don’t recommend it its just better to get a new drive. But you will need to make sure you get the correct one! I would recommend getting a Seagate FireCuda as it can run at SATA II (3.0 Gb/s) which many drives today don’t.

iMac Intel 24" EMC 2134 and 2211

iMac Intel 24" 2211 wont boot and restarts itself

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