SSD will not boot from Primary Port

July 14, 2016 at 02:21:55
Specs: Varies, I7
Forgive me firstly; for being a MAC nab , this is first MAC that I have had .
The MAC is a A1278 with i7 8GB ram .
Background of Mac : Mac was recovered from Trash from work by my partner. Unit switches on and displayed a blinking folder . Disk utility did not display HDD . The Sata Ribbon cable was replaced , then the HDD was discovered and the Macbook Pro booted up . The Admin account has an unknown password - however guest account could be loaded - all seemed well . I now want to run an SSD as I primary drive , so plugged in a blank SSD in a USB caddy then formatted with MAC extended format with journaling . The MAC was then shut down then I connected the SSD to the Primary port ( to the new ribbon connector ) . I then ran the internet recovery , however strangely the SSD is not recognized and cannot be detected in disk utility .
As an experiment , I disconnected then reconnected the SSD via USB in the Caddy , I was then able to install and boot a Fresh OSX on the SSD from the USB port .
Problem .
If I run this SSD from the Primary port , it does not boot but if I run it from USB it does .
Conversely If I boot the original HDD from the USB caddy, Disk Utility can detect the SSD as a secondary drive in the Primary Sata port
The original HDD runs perfectly from the Primary port , yet the SSD wont
I am really lost - Help !

message edited by 90Ninety


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#1
July 14, 2016 at 02:52:12
It could be a firmware issue. There is a thread here that gives some pointers and links to follow up for further research.

http://forum.crucial.com/t5/Crucial...


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#2
July 14, 2016 at 03:12:19
The SSD is an Integral 120GB Sata 3 SSD BTW

Do you mean the the issue could be related to the SSD firmware?

I could try another spare SSD - I will keep you updated

Another idea I had was to recover admin privileges on HDD , then clone HDD to SSD , perhaps this will help the boot

message edited by 90Ninety


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#3
July 14, 2016 at 07:35:44
Does Mac have a compatibility list for SSD's ?

Anyone tried Integral SSD's with MAC hardware ?

I have not seen this issue anywhere online :/


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#4
July 14, 2016 at 08:31:37
If you look at the messages in the link I supplied, it seems that it might be an issue with the firmware in the Mac.

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