El Capitan Could Not Be Installed

  1. Can't Install El Capitan
  2. El Capitan Could Not Be Installed In China
  3. El Capitan Won't Install
  4. El Capitan Could Not Find Installation Information For This Machine
When trying to upgrade from OS X 10.6.8 Snow Leopard to OS X 10.11.6 El Capitan, I repeatedly encountered a frustrating error message: 'OS X could not be installed on your computer. No packages were eligible for install. Contact the software manufacturer for assistance. Quit the installer to restart your computer and try again.'

Os x could not be installed on you computer. No packages were eligible for install. What i did so far:-I rebuilt another usb drive from a new El Capitan freshly downloaded from the App store.-I formatted the hard drive, again.-I re tried to install but still the same.-I then held command+r and tried to install from there but I get the same issue. Installing El Capiton on an old Mac Book Pro today, I received the error: OS X could not be installed on your computer. No packages were eligible for install. Contact the software manufacturer for assistance. Quit the installer to restart your computer and try again.

Select Install OS X and install the latest Mac OS version from there Method 4: Have Enough Disk Space The latest version of Mac OS requires a bit more space than the previous ones. Go to 'About This Mac' under the Apple icon in the top-left of your screen. Click 'System Report.' Scroll down to 'Installations', and check to see if anything is out of sync. I'm guessing you will see some updates that look like they installed multiple times. Particularly, the 'macOS High Sierra 10.13.3 Update-' update.


El capitan could not be installed
My end goal was to install macOS 10.13 High Sierra. I read online that one must upgrade to OS X 10.11 before upgrading to macOS 10.13 if one is starting from OS X 10.6. This upgrade route did not work for me no matter how many solutions I attempted. I eventually found a solution to this frustrating problem which I'll share below, but before I do that, I'd like to share what did NOT work for me to hopefully help others avoid unnecessary frustration and wasted time:
Solution attempts that did NOT work for me:
I tried changing the time to the correct present time and to a past time when the installer certificates may have still been valid (mid-2016). The upgrade problem persisted either way.
Manually setting the date and time via the Terminal (see above link) to an earlier date is worth trying because it has worked for some people. Try this time: 1010101015
2) Erasing my internal hard drive using Disk Utility in Internet Recovery Mode
Installed

Can't Install El Capitan

All this did was remove my data, but the persistent 'OS X could not be installed...' problem remained.
3) Booting from an external hard drive that was formatted to act as an installer for OS X 10.11
Could
4) Booting in the Internet Recovery Mode option to install the version closest to the operating system that came with my Mac (Shift+Option+Command+R).
My Mac came with Snow Leopard, which is not available to download, so it attempted to install Lion, but wasn't able to do so because I had not purchased it with my Apple ID.
Here's the upgrade route that DID work for me:
1) I purchased OS X 10.7 Lion with my Apple ID and downloaded it via the Mac App Store on another Mac (so it would be in my App Store download history)
2) I booted in the Internet Recovery Mode option to install the version closest to the operating system that came with my Mac by holding down Shift+Option+Command+R while my MacBook was restarting.
3) I selected 'Reinstall Mac OS X' in the 'Mac OS X Utilities' window that appeared when Internet Recovery Mode fully booted up.
4) When prompted, I entered my Apple ID information that was used to purchase and download OS X 10.7 Lion and allowed the OS X upgrade to proceed to completion. I then had a fresh version of OS X 10.7 Lion installed on my Mac.
5) The next step was to upgrade from OS X 10.7 Lion to macOS 10.12 Sierra using these steps.

El Capitan Could Not Be Installed In China

6) Once macOS 10.12 Sierra was fully installed, I upgraded to macOS 10.13 High Sierra using these steps.
El Capitan Could Not Be Installed
My MacBook Pro is now successfully running macOS 10.13.6 High Sierra.

El Capitan Won't Install

Basically, what worked for me was circumnavigating the suggested route of installing OS X 10.11 before installing macOS 10.13. Instead, I followed this upgrade route: 10.6 to 10.7, then 10.12 to 10.13.
I thought it may be helpful to share what worked for me in case someone else out there is trying to upgrade from OS X 10.6 Snow Leopard to macOS 10.13 High Sierra and encountering the issue I encountered. Please feel free to ask me any questions about this and I will do my best to help.

El Capitan Could Not Find Installation Information For This Machine