The mid-2007 24-inch iMac memory can be upgraded to 6GB
El Capitan Ram Requirement For Install Drivers
RAM total, with one - 4GB chip and one - 2GB chip.
12.5GB of available storage (OS X El Capitan 10.11.5 or later). At least 2GB of RAM At least 8.8 GB of disk space available; Mac OS X Version 10.10 (a.k.a Yosemite). Mac OS X 10.6.6 or later to install via the Mac App Store, an internal or external DVD drive, or install using an OSX Lion USB Thumb Drive. May 18, 2020 The Optimal Requirements for Mac OS X El Capitan ● RAM - The minimum RAM requirement for optimal performance and installation of Mac OS X El Capitan is 2GB. Though this could still be slow, a 4GB RAM size is preferred, and even larger RAM will make the Mac OS X El Capitan perform at faster rates. Mac OS X 10.11 El Capitan Full OS Install - For unibody Aluminum models, Not for older plastic models. This won't load on Mac computer with EFI firmware lock - If computer shows a lock pad on screen when restart and hold 'Option' Key, that is EFI firmware lock and its motherboard must be fixed first before any OS X installation can take place. Make sure the El Capitan installer (or at least a copy of it), called Install OS X El Capitan.app, is in its default location in your main Applications folder (/Applications). Select the text of.