Mid 2009 Model A1278 / 2.26 or 2.53 GHz Core 2 Duo processor EMC 2326

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Having problems installing OS El Capitan

Bought a Toshiba MQ01ABD100 Media drive from iFixit for my mid-2009 MacBook Pro 13" (It is the exact same model that my local MacStore installed a couple years ago.)

Using various how-to's around the internet (since the iFixit how-to is for an older OS X),

I successfully made a bootable USB drive and booted off it. Got so far as erasing the drive using Disk Utility, but when I hit 'Erase" I get the following; "Erase process has failed..." Show Details reveals: "Wiping volume data to prevent future accidental probing failed. Operation failed..." Ran First Aid, everything copacetic. Tried again, same messages.

So I guess my question is: now what?

Answered! View the answer I have this problem too

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Ah! You likely need a new HD SATA cable! This series tends to have a high failure.

Here's the IFIXIT guide you'll need to follow: MacBook Pro 13" Unibody Mid 2009 Hard Drive Cable Replacement and this is the part you'll want: MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable - Apple P/N 923-0104. And yes, you want the newer part!

MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable Image


MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable


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Robert Pillers will be eternally grateful.
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