Hello @ksanborn Were you able to resolve this issue? I'm asking because
I'm currently experiencing the same problem. I've spent several hours
trying to figure this out with no success. This first appeared after I
upgraded the JSS and clients to versi...
@verasme, Try first booting using control + R and delete the partition.
Reboot and hold down option to install El Capitan. What you just
mentioned was exactly how I encountered it and it puzzled me because
I've always used the previous method of hold...
Hi @verasme I've had this exact same issue happen to me multiple times.
I was able to resolve this problem by making a few changes to my OS
upgrade process. Below you can find the steps that I take when I upgrade
OS X using a USB drive. Let me know i...