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MacPro doesn't recognise Corsair SSD

I have a MacPro early 2009 and installed a Corsair Force GS SSD. After cloning and a reboot it runs smoothly. Unfortunately after a second reboot, MacPro doesn't see the Corsair disk anymore. What do I do wrong?

Mac Pro, OS X Mavericks (10.9.1), Corsair SSD Force GS 180Gb

Posted on Feb 9, 2014 6:51 AM

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Posted on Feb 9, 2014 7:33 AM

Firmware. Lack of installing TRIM Enabler. And aren't those older model Corsairs? there are newer models.


Always before using check to see if it has the latest firmware and if there are Mac issues.

4 replies

Feb 9, 2014 9:22 AM in response to Edward Musch

Your SSD may be choking on deleted data.


Try Alt/Option booting and leave it sitting powered up but untouched for 20 minutes or more. It may be able to do a grabage collect and revive itself.


If it wakes up, then install TRIM Enabler or equivalent, and Install TRIM Enabler on an alternate System Drive and run Disk Utility (Repair Disk) against the SSD. This provides a very satisfying "Trim-ing unused blocks" message, and everything perks up.

Feb 10, 2014 12:16 PM in response to Edward Musch

Thanks for the suggestions! Alt/option booting doesn't revive the disk. I have to get it out, turn it back again and startup. I als did a firmware-update on a Windows machine.


Still not working. I'm almost ready to trow it away and buy a more decent (working) SSD for the MacPro. Any suggestions?


By the way, the ticket at Corsair support desk remains unanswered after 10 days. Sending Tweets doesn't work. What kind of company it this?

Feb 10, 2014 12:29 PM in response to Edward Musch

Corsair forum - there is a lot of activity there, user help, not as much Mac related but is a section.


They brought that one out in 2011.


Samsung 840 EVO are fine, popular and good price. I have 3 of them and another on the way.


SSD: Samsung 840 128GB


http://www.amazon.com/Samsung-Electronics-2-5-Inch-Internal-MZ-7TE500BW/dp/B00E3 W19MO/


Corsair Neutron Series GTX CSSD-N120GBGTXB-BK

http://www.amazon.com/gp/product/B00B9BDWXG/


These Corsair models cost more but also less variation in writes over time, fewer use of spare cells over time.


Corsair Neutron Series GTX 120GB 6Gbps 2.5-Inch SATA 3 Exclusive LAMD LM87800 Synchronous Solid State Drive CSSD-N120GBGTXB-BK


Samsung 840 EVO

http://www.thessdreview.com/?s=Samsung+840+EVO


SSD Endurance 500TB

http://techreport.com/review/25889/the-ssd-endurance-experiment-500tb-update


Icy Dock $15

http://www.amazon.com/2-5-3-5-Ssd-sata-Convert/dp/B002Z2QDNE/


Drive sled adapter $20 from OWC

http://eshop.macsales.com/item/Other%20World%20Computing/MMP35T25/

MacPro doesn't recognise Corsair SSD

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