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現在のバージョン作成者: Dan ,

テキスト:

Very odd!
 
First make a full backup of you drive!
 
If you haven’t already make a USB OS installer following this guide: [https://www.macworld.com/article/3284378/how-to-create-a-bootable-macos-mojave-installer-drive.html|How to create a bootable macOS Mojave installer drive]
 
You’ll need to run Disk Utility from the OS installer did you get any errors? If you did let us know what you got.
 
=== Update (05/27/2019) ===
Then I think you need to replace your HD SATA cable. As one of the issues with upgrading in this series is the original drive was a SATA II (3.0 Gb/s) drive and the original SATA cable was only rated for SATA II. So when you put in the SATA III (6.0 Gb/s) SSD (which is a good thing!) You forgot to replace the SATA cable with the newer SATA III (6.0 Gb/s) rated version! Here’s the needed cable [https://www.ifixit.com/Store/Mac/MacBook-Pro-15-Inch-Unibody-Mid-2012-Hard-Drive-Cable/IF161-100?o=4] and here’s the iFixit guide [https://www.ifixit.com/Guide/MacBook+Pro+15-Inch+Unibody+Mid+2012+Hard+Drive-IR+Sensor+Cable+Replacement/10762].

There are two additional things you need to do one is placing a stripe of electricians tape on the uppercase when’re the cable crosses over as the rough surface of the aluminum wears the cable. In addition, you want to roll the bends not fold them! Basically I take the ink straw from a Bic ballpoint pen and use it to help be shape the radius of the bend. If you don’t have a pen a bamboo skewer will also work.
Then I think you need to replace your HD SATA cable. As one of the issues with upgrading in this series is the original drive was a SATA II (3.0 Gb/s) drive and the original SATA cable was only rated for SATA II. So when you put in the SATA III (6.0 Gb/s) SSD (which is a good thing!) You forgot to replace the SATA cable with the newer SATA III (6.0 Gb/s) rated version! Here’s the needed cable [https://www.ifixit.com/Store/Mac/MacBook-Pro-15-Inch-Unibody-Mid-2012-Hard-Drive-Cable/IF161-100?o=4] and here’s the iFixit guide [https://www.ifixit.com/Guide/MacBook+Pro+15-Inch+Unibody+Mid+2012+Hard+Drive-IR+Sensor+Cable+Replacement/10762].

There are two additional things you need to do one is placing a stripe of electricians tape on the uppercase when’re the cable crosses over as the rough surface of the aluminum wears the cable. In addition, you want to roll the bends not fold them! Basically I take the ink straw from a Bic ballpoint pen and use it to help be shape the radius of the bend. If you don’t have a pen a bamboo skewer will also work.

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open

編集者: Dan ,

テキスト:

Very odd!
 
First make a full backup of you drive!
 
If you haven’t already make a USB OS installer following this guide: [https://www.macworld.com/article/3284378/how-to-create-a-bootable-macos-mojave-installer-drive.html|How to create a bootable macOS Mojave installer drive]
 
You’ll need to run Disk Utility from the OS installer did you get any errors? If you did let us know what you got.
 
=== Update (05/27/2019) ===
Then I think you need to replace your HD SATA cable. As one of the issues with upgrading in this series is the original drive was a SATA II (3.0 Gb/s) drive and the original SATA cable was only rated for SATA II. So when you put in the SATA III (6.0 Gb/s) SSD (which is a good thing!) You forgot to replace the SATA cable with the newer SATA III (6.0 Gb/s) rated version!

ステータス:

open

オリジナル投稿者: Dan ,

テキスト:

Very odd!

First make a full backup of you drive!

If you haven’t already make a USB OS installer following this guide: [https://www.macworld.com/article/3284378/how-to-create-a-bootable-macos-mojave-installer-drive.html|How to create a bootable macOS Mojave installer drive]

You’ll need to run Disk Utility from the OS installer did you get any errors? If you did let us know what you got.

ステータス:

open