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chrisherbert

macrumors regular
Original poster
Jun 25, 2012
112
78
I noticed that I haven't been getting notifications for OS updates for the last few weeks, so I downloaded the 10.13.3 combo updater. When I try to install it, it says "macOS High Sierra 10.13.3 Update Combo can't be installed on this disk." Then it directs me to instructions on how to revert the file system on a Fusion drive to HFS+. The thing is, I don't have a Fusion drive - it's a stock, 256GB SSD. The machine is a 27" Late 2013 iMac.

I've tried running it in safe mode - same thing.

I reinstalled OSX from scratch using a bootable USB drive a couple weeks ago and I suspect that's the reason this is happening, but I don't know how to fix it. Any ideas?
 
I reinstalled OSX from scratch using a bootable USB drive a couple weeks ago and I suspect that's the reason this is happening, but I don't know how to fix it. Any ideas?
What version of OS is your Mac currently running?
 
The app store doesn't show any available updates, and hasn't for a couple weeks.
Are you running a beta version of 10.13.2?
Also, Apple does not recommend installing the combo update of 10.13.3 over 10.13.2, so try the non-combo updater.
If that doesn't work, you can download the full 10.13.3 from the App Store and run that installer. It won't delete your existing files or apps.
 
Are you running a beta version of 10.13.2?
Also, Apple does not recommend installing the combo update of 10.13.3 over 10.13.2, so try the non-combo updater.
If that doesn't work, you can download the full 10.13.3 from the App Store and run that installer. It won't delete your existing files or apps.

Nope, it's not a beta version. How can I get the full 10.13.3 file from the App Store? It's not listed as an available update.
 
Nope, it's not a beta version. How can I get the full 10.13.3 file from the App Store? It's not listed as an available update.
Click on the High Sierra link on the side bar of the App Store app, or search for it.
 
Click on the High Sierra link on the side bar of the App Store app, or search for it.

That worked! Hopefully I won't need to download a full installer for every new update now.

Thanks for your help.
 
That worked! Hopefully I won't need to download a full installer for every new update now.

Thanks for your help.
Hi Chris,

I was wondering if you still happened to have that installer app file anywhere, if so could you please send me a copy.

I have a mid-2014 MacBook Pro and I use a Thunderbolt 3 eGPU with it through the use of the Apple Thunderbolt 2-to-Thunderbolt 3 cable. BUT THE NEW UPDATE 10.13.4 REMOVED SUPPORT FOR THUNDERBOLT 2 EGPUS.

If you happen to have a copy of the installer, that would be awesome! Please let me know and thanks!
 
Hi Chris,

I was wondering if you still happened to have that installer app file anywhere, if so could you please send me a copy.

I have a mid-2014 MacBook Pro and I use a Thunderbolt 3 eGPU with it through the use of the Apple Thunderbolt 2-to-Thunderbolt 3 cable. BUT THE NEW UPDATE 10.13.4 REMOVED SUPPORT FOR THUNDERBOLT 2 EGPUS.

If you happen to have a copy of the installer, that would be awesome! Please let me know and thanks!

Yes I still have it.
 
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