After that upgrade, everything were running smoothly.
Now it is the turn for my iBook i5. iBook i5 is not my primary system, hence the upgrade was relatively easier. The procedure was the same with that of iMac G3 i7:
Go to Mac App Store -> Download OSX El Capitan -> Launch it -> Wait
One needs to plug the adapter or the Mac won't allow the installation to begin.
See you soon!
Written by: Erik Siivel (@siivel.com)
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