Update – This has been an issue for myself and others running OS X Sierra as well. Update – It happened again when I updated to 10.11.4! Even fewer clues this time, additional details and an updated script to remove non-default kext files at the very bottom. Otherwise feel free to read the saga below!

Once the drive has been erased, click on the 'Partition' tab at the top of Disk Utility.If your OS X El Capitan/Sierra/High Sierra update won’t reboot you can skip to the fix or check here for the (mostly) automated fix script. Make sure your USB drive is named 'Untitled' and the format is selected as 'Mac OS Extended (Journaled).' Refer to the screenshot below so that you know what you're doing.ħ. On the right hand side, click on the 'Erase' tab shown at the top.ĥ. Make sure you select the correct drive.Ĥ. Select your USB flash drive from the left hand side of Disk Utility.

Connect your USB flash drive to your Mac and launch Disk Utility.ģ. With the installer sitting in the Applications folder, move to the next step.Ģ. It's very important, because once you upgrade to El Capitan, the installer will delete itself from the Applications folder. Make sure that once the download process is complete, do not run the installer. First of all, download OS X El Capitan onto your Mac from this link. If you have a newer Mac that supports USB 3.0, then we highly recommend that you source yourself a drive that supports that standard.ġ. How To Create OS X El Capitan Bootable USB Flash Driveīefore we begin, make sure that you have a 16GB (at least) USB flash drive at hand, although 8GB will do as well.

In this guide, we'll walk you through the entire process on how you can create a bootable OS X El Capitan USB flash drive in no time. OS X El Capitan is finally here, and if you're looking to install Apple's new desktop OS fresh from the ground up, then you'll be needing a bootable USB flash drive to get started with the process. Here's how you can create a Mac OS X El Capitan bootable USB flash drive.

Unibeast install os x el capitan