Model A1312 / Mid 2010 / 3.2 GHz Core i3 or 2.8 & 3.6 GHz Core i5 or 2.93 GHz Core i7, ID iMac11,3

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I am replacing my 2010 iMac Hard Drive. What to do beforehand?

Hi,

I am replacing my 2010 iMac hard drive. I have found the instructions on how to do it. However, is there something I need to do to the new drive BEFORE I put it in the computer? Also, can someone give me instructions on anything I need to do after I install it and first turn the computer on after it’s installed? Thank you.

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@jacobrob10 - It's best to stick with your first question than creating another Replacing old 2010 27" iMac Hard Drive with SSD

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Getting nervous ;-}

Relax take a deep breath.... The hardware side is fully covered in the first part. I'll cover the OS piece here.

OK, I'm back...

If you can create a OS installer USB thumb drive following this guide: How to create a bootable macOS Sierra installer drive (I recommend you stay with Sierra as High Sierra has some issues with SATA based SSD's)

If you have anything on your old drive you care about you should have a backup as you won't be able to access your drive unless you get this: Universal Drive Adapter to gain access to it later.

OK, so we have the drive installed and you have the USB OS installer plugged in so all you need to do now is turn on the system and give the system some time to load the Installers OS (remember your systems USB port is slloooww!!)

Once its up you want to select from the menu Drive Utilities so you can format the SSD drive GUID partition table and Journaled volume. Once done jump to the OS installer just make sure you've selected the correct drive and go for a run, go to the gym or something else as its going to take some time.

The system will reboot a few times so don't freakout. Press the space bar as the screen will shutdown if left alone.

Universal Drive Adapter Image

Product

Universal Drive Adapter

$24.99

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Ok thank you! I installed the new hard drive this morning. I went to drive utilities and formatted my drive. However, I couldn’t get it to restore from the bootable flash drive. I chose the external hard drive where I had my back up on and it started restoring to the new hard drive. Hopefully I did it right lol.

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