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Q: 2nd Internal Drive Doesn't Mount

Hello.

 

I own an early 2011 MacBook Pro where I've installed a 500GB Samsung SSD in the primary hard drive slot, and a 1TB HGST drive in place of the optical disk drive, which has been working wonderfully for my needs.

 

However, I recently had to send in my mac for a repair (after replacing all the original parts of course) and now I'm finding it impossible to get my second drive to mount after installing it in the optical disk drive bay. Here's what Disk Utility looks like after attempting to verify the disk:

Screen Shot 2014-06-14 at 7.57.04 PM.png

 

The drive is recognized in Disk Utility, but the 2 partitions on the drive will not mount. When starting my mac holding alt, the partitions do appear, however, with the correct names, but cannot be booted into (prohibitory sign appears). I have successfully mounted the drive via USB, so I know nothing's wrong with it. I've also tried installing other hard drives, and none are recognized. Finally, the internal optical disk drive will read CDs, DVDs, and boot the OSX install disk, so I assume that the SATA connection is working fine.

 

During the repair, Apple replaced the Logic board, display, and bottom case.

 

I have 3 theories:

1. The new logic board has a faulty SATA port such that the optical disk drive will function, but a hard drive will not.

2. The new logic board is somehow wired to not accept a second hard drive specifically.

3. The hard drive caddy I'm using is damaged.

 

Does anyone have any experience with this issue or can offer any suggestions?

MacBook Pro (15-inch Early 2011), OS X Mavericks (10.9.2), 2.2 Ghz Intel Core i7

Posted on Jun 14, 2014 7:03 PM

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