![Amazon.com: 6-in-1 USB installer for MacOS. El Capitan High Sierra Mojave Catalina Big Sur and Monterey Amazon.com: 6-in-1 USB installer for MacOS. El Capitan High Sierra Mojave Catalina Big Sur and Monterey](https://m.media-amazon.com/images/I/71b-PW4SCnL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 6-in-1 USB installer for MacOS. El Capitan High Sierra Mojave Catalina Big Sur and Monterey
![At a loss. Made Mac usb installer, got copy of El Capitan from Apple's website, tried reinstalling on my internal hard drive and this the message I get. What do I do At a loss. Made Mac usb installer, got copy of El Capitan from Apple's website, tried reinstalling on my internal hard drive and this the message I get. What do I do](https://i.redd.it/20zpomj96ky91.jpg)
At a loss. Made Mac usb installer, got copy of El Capitan from Apple's website, tried reinstalling on my internal hard drive and this the message I get. What do I do
![How to Create a Bootable Install USB Drive of Mac OS X 10.11 El Capitan « Mac OS Tips :: Gadget Hacks How to Create a Bootable Install USB Drive of Mac OS X 10.11 El Capitan « Mac OS Tips :: Gadget Hacks](https://img.gadgethacks.com/img/33/86/63569438276152/0/create-bootable-install-usb-drive-mac-os-x-10-11-el-capitan.1280x600.jpg)