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F/U Booting from External SSD Still a No-Go, UGH!
Posted by: steveroberts
Date: June 23, 2017 04:31AM
Friends,

I recently purchased a Belkin Thunderbolt port for my mid-2011 iMac, in order to run an external SSD boot disk via USB3.

I had lots of trouble setting up the external disk, but I finally got the OS up and running on the SSD.

Now, according to Belkin and OWC, I find out that pre-2013 iMacs cannot boot from USB3 on Thunderbolt docks!

I'm guessing that I'm at a dead end, but I wanted to check here before throwing in the towel.

If this doesn't work, I was thinking of getting a Thunderbolt enclosure and booting the SSD through that.

Thanks in advance for any further thoughts on this.

SR
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Re: F/U Booting from External SSD Still a No-Go, UGH!
Posted by: Onamuji
Date: June 23, 2017 06:45AM
I'd just do the surgery and replace the boot drive inside the iMac.

But a Thunderbolt enclosure should work if you're not up to getting inside the thing.



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Re: F/U Booting from External SSD Still a No-Go, UGH!
Posted by: Speedy
Date: June 23, 2017 06:58AM
I think that iMac has everything inside it to just connect the SSD without removing the HD. All you need are the SSD and the installation tool kit. I did mine (27") and I found it helpful to have the original iMac box to put the display. Follow the video:

[eshop.macsales.com]

The installation kit for the 27":

[eshop.macsales.com]



Saint Cloud, Minnesota, where the weather is wonderful even when it isn't.
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Re: F/U Booting from External SSD Still a No-Go, UGH!
Posted by: Filliam H. Muffman
Date: June 23, 2017 10:00AM
steveroberts, which Belkin Thundercrap dock did you buy? The Belkin site doesn't list this limitation. If you have an email reply with this information, you might want to post a review on the devices page so other people do not make the same mistake.



In tha 360. MRF User Map
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Re: F/U Booting from External SSD Still a No-Go, UGH!
Posted by: steveroberts
Date: June 23, 2017 01:42PM
It was the F4U055. After buying it, I found a couple of comments on Amazon indicating that you cannot boot USB3 on my vintage iMac. An online chat with Belkin confirmed that.

I wrote to OWC asking about booting USB3 from their product, and they replied:

Quote
I am sorry that is not possible as noted on the dock page

Too bad no one mentioned this in my pre-purchase conversations with sales.

SR
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Re: F/U Booting from External SSD Still a No-Go, UGH!
Posted by: artie67
Date: June 23, 2017 04:16PM
Caldigit says 2013 or later Mac (Haswell) to boot from USB3. So, my 2012 mini out of luck here too.
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Re: F/U Booting from External SSD Still a No-Go, UGH!
Posted by: jdc
Date: June 23, 2017 04:38PM
So $125 for a Tbolt case... owch.



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Edited 999 time(s). Last edit at 12:08PM by jdc.
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Re: F/U Booting from External SSD Still a No-Go, UGH!
Posted by: PeterW
Date: June 23, 2017 04:50PM
Quote
artie67
Caldigit says 2013 or later Mac (Haswell) to boot from USB3. So, my 2012 mini out of luck here too.

Wait, they're claiming that a 2012 mini cannot boot from a drive connected via USB 3.0 or a drive connected via one of their TB docks?
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Re: F/U Booting from External SSD Still a No-Go, UGH!
Posted by: Onamuji
Date: June 23, 2017 05:52PM
Quote
PeterW
Quote
artie67
Caldigit says 2013 or later Mac (Haswell) to boot from USB3. So, my 2012 mini out of luck here too.

Wait, they're claiming that a 2012 mini cannot boot from a drive connected via USB 3.0 or a drive connected via one of their TB docks?

The USB 3 port on the TB Dock doesn't have boot-support on older Macs.

The Mac won't be able to load the correct driver at boot-time if it doesn't have native USB 3.0 ports, but there's also some other technical limitation as late 2012 Macs had USB 3.0 and yet manufacturers say that it needs to be a mid-2013 or later model to boot from TB>USB. Some Googling that I just did confirms the limitation from various documented user-experiences.







Edited 1 time(s). Last edit at 06/23/2017 05:53PM by Onamuji.
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