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Model A1225 / Early 2009 / 2.66, 2.93, or 3.06 GHz Core 2 Duo processor

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iMac won't start after hard drive replacement

Read a few of the options but haven’t seen my situation -

Replaced my Hard drive in my iMac early 2009 2267 -. Followed tutorial and everything seemed to go fine…

New Hard drive; western digital 2TB / Blue

Upon starting I get a flashing question mark / did some research on this and it seems pretty logical it can’t find the OS .

Went ahead and created USB boot disk (I no longer have the original DVDs); Upon startup it shows me “install Mac OS High Sierra” - as I expected but there are no more drives listed. Just an “up” arrow. In some of the research i’ve seen it’s supposed to show me the new WD drive I just installed (could it not be found?) I click the “Up” arrow and I get a circle with a line thru it - a few seconds later the screen goes black and system shuts down.

Update (08/13/2018)

Block Image

Can’t get past this image when trying to boot from thumb -> once I click the up arrow a circle comes up with a line thru it and the system shuts down. Any thoughts?

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The installer won’t install the OS on a bare drive!

You first need to setup a GUID partition table with a journaled partition using Disk Utility. Restart the OS installer and then go to the menu options you’ll find it there.

Here’s a good guide: The Master Guide to Formatting a Hard Drive

Update (08/13/2018)

It sounds like the replacement drive is not able to be used in this system. Your systems SATA port is only SATA II (3.0 Gb/s). Many SATA III (6.0 Gb/s) drives are what we call fixed speed and can’t be used in this system.

I would recommend you get a drive that the spec sheet calls out compatibility with your system. As an example the Seagate FireCuda SSHD will work and will also give your system some zip with its SSD cache.

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Scott B sarà eternamente grato.
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