Boot regularly from firewire port? / Repeated SATA Cable Failure

Hello all,

Brief history:

  • 03/14 sluggish, failed to recognize hard drive. Could not boot. Replaced SATA cable, worked better than new!
  • 04/14 upgraded to SSD Crucial drive 6Gb/s (have read this thread: Why is my computer crashing after I installed my SSD?
  • 07/14 randomly failed to recognize hard drive. Tested drive was normal using external USB dock. IFixit sent new cable, worked beautifully!
  • 03/15 randomly failed and could not recognize hard drive.

I know that both my old drive (original from MBP) and my new crucial SSD work fine, I can boot them externally. I am suspicious that jostling of the cable / daily movement back and forth to school is damaging it. I have included two pictures showing my install and a dent in the back of my case right over where the drive is:

Block Image

Block Image

Question 1: any thoughts on why these perfectly new ifixit SATA cables are continuing to fail again and again?

Question 2: I'm ready to give up on using it as a laptop and (potentially avoid damaging the cable again??) leave it as a desktop using my original optical hard drive. Has anyone tried regularly permanently booting from a device like this: through a firewire cable?

Thank you all!



Answered! View the answer I have this problem too

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Thank you Mayer, I appreciate your input.

Two questions: is there any way you could send a picture of how you secure the drives so I can get an idea of how it looks when I try it?

Also: do you have any thoughts/experience on booting permanently from a firewire HDD enclosure like the one I have linked to above?




I'll take pictures of the next one I do and post it. As to permanently booting from a firewire, just go to System preferences > Startup Disk and select it.


Hi Mayer, did you have a chance to take any pictures yet?


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I go with the 2012 cable cable when replacing these. Bad ones will destroy the hard drive 50% of the time. Next use either pads or I use plastic tooth picks on either side of the cable secured with captain tape as it comes over the top to prevent damage from the bottom of the case hitting it.

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senorshim will be eternally grateful.
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