Mac mini EFI Firmware Update-1.8 does not install

I have a late 2012 Mac Mini and the most recent firmware update is failing to install. Everything 'looks' fine, the package installs and the machine reboots. Next time I do software update, it says the package is available and should be installed.

Same occurs when installing from a manually downloaded package (i.e AppStore not participating in the update)

I have tried this booting from both the internal drive and external drives - The hardware overview informations does not change and softwareupdate still thinks I need to install it - irksome !!

Hardware Overview:

Model Name: Mac mini

Model Identifier: Macmini6,2

Processor Name: Intel Core i7

Processor Speed: 2.3 GHz

Number of Processors: 1

Total Number of Cores: 4

L2 Cache (per Core): 256 KB

L3 Cache: 6 MB

Memory: 16 GB

Boot ROM Version: MM61.0106.B08

SMC Version (system): 2.8f0

Thanks

Bryan Christianson

Posted on Jul 17, 2015 4:26 AM

17 replies

Jul 17, 2015 10:21 PM in response to K Shaffer

Thanks for pointing out the memory issue. Too late to do anything about it now, but that RAM was installed at time of purchase by the store (not Apple) - I doubt they would do anything about it and in fact, it has not been a problem - been in there since January 2013.

I managed to get the EFI firmware update installed after a clean install of yosemite. I don't know why it wouldn't install before but for now the problem is solved.

wjwt

Level 1

9 points

Jul 19, 2015 12:56 AM in response to Bryan Christianson

Exactly same problem for me. Same solution — clean install of Yosemite — worked too after usual the troubleshooting measures (disconnect peripherals; restart; safe boot; SMC reset; combo update; etc.) made no difference. Thanks for this post — really clear and helpful.

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Mac mini EFI Firmware Update-1.8 does not install