User profile for user: codes28
codes28 Author
User level: Level 1
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How to update from OS X 10.8.5

Our iMac 2012 27" computer's HD crashed and when they installed a new one, we are unfortunately stuck with OS X 10.8.5, I have read many forums about installing El Capitan, was able to DL the installer through waterfox classic browser, since safari no longer works. However, when it installs it says its only installing 6 MB, not the 5.8 GB that I downloaded. What am I missing? I am not tech savvy, so trying to make this work for my son so its operable enough for now.

Earlier Mac models

Posted on Dec 1, 2023 7:27 PM

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User profile for user: BDAqua
BDAqua
User level: Level 10
250,319 points

Posted on Dec 1, 2023 8:03 PM

Start up from macOS Recovery

Option-⌘-R

Upgrade to the latest macOS compatible with your Mac.


In Disk Utility>View, select Show all Devices, highlight the top left entry.


APFS won't work for Sierra or earlier, Sierra or earlier needs MacOS Extended Journaled. High Sierra won't work for APFS on earlier Macs.


What has often worked for others is to use this Restore Method instead of CMD+r keys...


Option-⌘-R

Upgrade to the latest macOS compatible with your Mac.


Messed up Factory Reset on MacBook Pro Mi… - Apple Community

https://discussions.apple.com/thread/254793247?answerId=258936149022#258936149022

Clean Install of High Sierra: Multiple Fa… - Apple Community

An Error Occurred While Preparing The Ins… - Apple Community


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User profile for user: BDAqua
BDAqua
User level: Level 10
250,319 points

Dec 1, 2023 8:03 PM in response to codes28

Start up from macOS Recovery

Option-⌘-R

Upgrade to the latest macOS compatible with your Mac.


In Disk Utility>View, select Show all Devices, highlight the top left entry.


APFS won't work for Sierra or earlier, Sierra or earlier needs MacOS Extended Journaled. High Sierra won't work for APFS on earlier Macs.


What has often worked for others is to use this Restore Method instead of CMD+r keys...


Option-⌘-R

Upgrade to the latest macOS compatible with your Mac.


Messed up Factory Reset on MacBook Pro Mi… - Apple Community

https://discussions.apple.com/thread/254793247?answerId=258936149022#258936149022

Clean Install of High Sierra: Multiple Fa… - Apple Community

An Error Occurred While Preparing The Ins… - Apple Community


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How to update from OS X 10.8.5

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