Before upgrading make a full back up of your Mac. Then go to the Download OS section and click on the OS you want to install.
Go to Check Compatibility to see if your mac qualifies for the OS upgrade you want.
You should try to install this cummulative update if your current High Sierra version is 10.13, 10.13.1, 10.13.2, 10.13.3, 10.13.4 or 10.13.5.ĭon't try to upgrade a 10.12.Click on the top left of your screen click on About This Mac to find out the year of your mac. PS3: The version I was trying to update was a 10.13 High Sierra one. PS2: In case you're using a hackintosh, you might additionaly need to mess with clover (apart from my steps) to make your machine boot as we want throughout the different parts of the process. DO A BACKUP, AND CALL YOUR OSX TECH PERSON/FRIEND IN CASE YOU DON'T UNDERSTAND WHAT WILL BE DONE TO YOUR MAC. PS: AGAIN, IT'S A SOMEHOW DELICATE AND POTENTIALLY DESTRUCTIVE PROCESS.
Once you dismiss these tutorial slides, your old login screen will appear, and you will be able to log in.Īfter typing your correct credentials, you should click on your top left apple icon (top bar), to check if your High Sierra version is finally 10.13.6, instead of whatever old version you started with, before this manual update actions.
You'll be somehow sure when macOS shows you the "typical first steps" screens before the login screen appears. If everything goes ok, a new "high sierra" version should have become installed. Confirm this action and boot AFTER HAVING REMOVED YOUR USB STICK (in case it was bootable, in case you didn't do it before). Once it finishes (let's hope sucessfully), your Recovery Boot will ask you to reboot your machine. The whole process takes around 10 minutes. Once the long 'installer.' command starts running, a text mode installation will start. DOUBLE CHECK THE NAME OF YOUR WORKING HIGH SIERRA MOUNT POINT, typically it is "Macintosh HD", but you might have changed it.Īgain, we will finally double check on screen all the parameters of this command are as expected.
Installer -allowUntrusted -verboseR -pkg "10.13.6_incremental_update.pkg" -target /Volumes/OUR_HIGH_SIERRA_DISK_MOUNT_POINTīEFORE YOU TYPE THIS COMMAND, some additional explanations: Now, still in Terminal, we will must launch the unatended. do some "ls -alcrt" and double check our "10.13.6 incremental update.pkg" file can be found there. Typically it should appear under /Volumes/USB_STICK_NAME. Once we are inside "Terminal", we need to go where our USB stick is mounted. Once you do it, it will present you with some random tools on the upper part of the screen, we should look for "Terminal", and launch it. If you already know, go to the next step, if not google it.īoot your Mac in Recovery mode.
Learn how to boot your Mac into Recovery Mode. Get a spare USB stick (with at least as much free space as the size of our new. Once it finishes downloading, double click onto the. dmg file we want to install from Apple, in our case "10.13.6 incremental update" from Apple
If using it seems as black magic for you, call someone who understands how to launch programs and commands via Terminal.ĭownload the. The "TERMINAL" application will be used in the process. THE WHOLE PROCESS WORKED FOR ME, BUT I HAVE NO IDEA IF IT WILL WORK FOR YOU AND YOUR MAC. IF SOME STEP IS UNCLEAR, CALL SOMEONE WHO UNDERSTANDS THE IMPLICATIONS OF SAID STEP. I'M NOT RESPONSIBLE FOR YOUR ACTIONS, LOST DATA, ETC. So I'm going to list here the steps I can remember I did.Ġ.- FIRST OF ALL, THE NEEDED DISCLAIMER: DO A BACKUP OF YOUR MAC SENSITIVE DATA, ETC.
I said: "what would it happen if I tried to install the cumulative update via Recovery mode, from some spare USB I have?"Īnd that's exactly what I did. I had tried everything under the sun, and I was starting to think about not trying the update anymore. Some days ago I was in the same situation as the original poster.