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Model A1224 / Mid 2007 and Early 2008 / 2, 2.4, or 2.66 GHz Core 2 Duo processor

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2007 iMac boots with circle and slash

2007 iMac will boot into safe mode, but goes to the progress bar and stalls in regular mode. I have replaced the hard drive and attempted to load an OS. I’ve tried Tiger, Leopard and El Capitan. No luck so far with anything. I still get the circle/slash. At one point, the machine attempted to boot then it shut down. Suggestions? I have a time machine backup, but can’t access it.

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Hi mayer .. installed new drive, ran disk utility on another Mac and formatted the drive. Loaded El Capitan. iMac starts, progress bar goes about 3/4 of the way and stalls, then the machine goes to a grey screen. I even tried a time machine backup, which completed, but it does the same thing. Could it be a hardware issue?

Thanks, SH

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Most Helpful Answer

Please go here and enter your serial number (located on the bottom of your stand) and tell us your exact machine

https://everymac.com/ultimate-mac-lookup...

Do you have an original system installation disk?

Your machine may not take anything higher than 10.7.5 Lion.

You will need to format your new drive before attempting to install a system.

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serial # is qp81504qx88

don’t have the original media

machine came to me with EC installed

what’s the best way to format the new drive?

Thanks

SH

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Apple iMac "Core 2 Duo" 2.4 20-Inch (Al) Specs

Identifiers: Mid-2007 - MA877LL - iMac7,1 - A1224 - 2133

Pre-Installed MacOS: X 10.4.10 (8R4031) Maximum MacOS: X 10.11.x*

Download El Capitan here:

http://downloads.tomsguide.com/OS-X-El-C...

You will need an external USB to SATA source such as a flash drive with a system installed on it and the system installation. Use Disk Utilities to format the internal drive, then install the system.

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shull will be eternally grateful.
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