- El Capitan Could Not Be Installed On Your Computer
- El Capitan Could Not Be Installed On Your Computer For A
- El Capitan Could Not Be Installed On Your Computer To Change
Tonight after a routine MacOS update (10.13.2) disaster struck and my Mac got stuck in an update boot loop. After a few hours of panic, reading online and trial & error I managed to resolve it. Here’s what I did in the hope it also helps someone else.
- Jun 19, 2020 Select the disk on which you want to install 'El Capitan' and press Continue (note that the icon and name of the disk will be different in your case) (there is usually only one option. If you have several options because the Time Machine drive is plugged in to your computer, make sure you select the correct drive and not the Time Machine drive).
- Simply put, if your Mac isn’t old enough to run the latest El Capitan operating system then it won’t install. This basically comes down to your hardware is too old and therefore unsupported by Apple. We can fix almost any Apple Mac device. If it isn’t listed, we can probably still help you out with your Apple Mac product problems.
- Unfortunately, I do not have a 'startup disk' either and thus I am not sure how to go about installing OS X El Capitan at this time. The instructions says 'If possible, back up and reformat the target disk before installing'. I do have External Hard disk that I can use to create a backup using Time Machine, but I don't know what to do after that.
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Steps
From the “MacOS could not be installed on your computer” screen:
- Press and hold “option” key and click restart
- In the “Startup disk selection” screen, use the arrow keys to select your main hard drive (not the MacOS update)
- Wait for your Mac to boot normally
- Download the latest combo update directly from Apple. (this is a full system image, not an incremental update)
- Open and install the update
- Grab a snickers, this will take a while
The installation was successful without any issue, and the Mac Mini is working perfectly fine until mid-October. All update was done. In October, I attempted to install MacOS Catalina through 'macOS Catalina Patcher' but no success (by both upgrade and clean install).
My environment: 2017 Macbook pro 15” Touch Bar with MacOS 10.13.1 (High Sierra) installed and tried to update to 10.13.2 using the App Store.
If this was helpful to you, consider buying me a coffee or thanking me at @molsjeroenon twitter!
- No packages were eligible for install. This is what it looks like in the installer. Upon seeing this I went 'HUH?' Because the installation was from a thumb drive I'd used many times to install Mac OS X (El Capitan) successfully. The above image came from an attempt to install El Capitan. I just got the following message.
- Nov 12, 2019 I was repeatedly getting 'Could Not Be Installed on your computer no packages were eligible for install' using both the internet el capitan install and this USB install. Thank you MIKX using terminal date just got me going!!
- Oct 01, 2015 This entry was posted in Troubleshooting and tagged 10.11, El Capitan, OS X, OS X 10.11 on October 1, 2015 by Topher Kessler. Post navigation ← Reasons to both install and avoid OS X 10.11 El Capitan Fix package managers not working after installing El Capitan →.
El capitan no packages were eligible for install. Posted by 22 days ago. El capitan no packages were eligible for install. Im in recovery mode and i keep getting the same popup despite going to terminal and typing 'date ' which failed then 'date ' which also failed. Fallout new vegas starting skills.
; Date: 2016-10-16 15:41Tags: Mac OS X
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A key step for upgrading the disk on a MacBook Pro is to install a new operating system on the new drive, and then use Migration Assistant to copy over the old data. Depending on how you went about the work, installing Mac OS X on the new system may give you a message: OS X could not be installed on your computer. No packages were eligible for install.
This is what it looks like in the installer. Upon seeing this I went 'HUH?' because the installation was from a thumb drive I'd used many times to install Mac OS X (El Capitan) successfully.
The above image came from an attempt to install El Capitan. I just got the following message, macOS could not be installed on your computer, while trying to install macOS High Sierra.
In both cases there was the same cause. In the El Capitan case, as I say in the next paragraph, the hardware clock had reset to zero because it did not have a battery pack. In the High Sierra case, I had performed a hardware reset of the computer in an attempt to fix a bootup problem. I had found advice to disconnect the battery, the power supply, then hold down the power key for a few moments. In both cases the hardware clock had been reset to zero, and macOS refused to boot.
After some yahoogling (duckduckgoing) I came across a simple solution. This particular computer had been running with no battery, and therefore the hardware clock was reset to zero, and Mac OS X had a test against that condition.
We've discussed elsewhere the process to install Mac OS X onto a computer, and transfer information from an old drive. It's during that process when the above message appears. A couple steps prior is where you can take action to correct the problem.
At this step, click on Terminal .
Then change the operating system date.
When running this particular Terminal session, you are ROOT meaning you can change anything on the computer. Normally we type 'date' at the command line just to find out the current day/month/year/time. But, the date command can be used to change the time registered in the system clock.
As I said above, for this particular computer the system clock had been reset to zero because the battery pack had been changed. In fact, the computer had run without a battery for many months because the old battery had gone bad.
As you see on the screen, the date had been January 1, 2001. I then changed the system date to the current time as of the writing of this posting.
To understand the second command, go to a terminal window and type 'man date'.
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El Capitan Could Not Be Installed On Your Computer
In the synopsis section you'll see this as an option for the 'date' command:
El Capitan Could Not Be Installed On Your Computer For A
No Packages Were Eligible For Install Mac El Capitan Dock
El Capitan Could Not Be Installed On Your Computer To Change
That's a little obtuse, but further down the manpage is this key: Error failed building wheel for mysqlclient macos.
In other words, the date code for this purpose is month-day-hour-minutes-year . hence, that's what I entered and it changed the system date to match.
No Packages Were Eligible For Install Mac El Capitan
No Packages Were Eligible For Install Os X El Capitan
Afterward I closed the Terminal window and was able to successfully install Mac OS X on the computer.