On 10/3/2018 1:53 PM, GS wrote:
On 10/3/2018 7:39 AM, GS wrote:
On 10/2/2018 11:11 PM, GS wrote:
I forgot to mention that the boot order starts with my system SSD,
then DVD, then USB[s]!

I have the same setup with a hard drive.* No problems with boot.
But that drive isn't in the boot list.
Since I want to boot from a USB occasionally, I can't just remove
USB from the boot list.

I discovered that if I make my boot order like yours, I don't have
a boot problem, but it won't automatically boot from a bootable
USB drive.

In order to boot from a USB drive you must change boot order.
Otherwise the 1st bootable drive in the list is what boots!

Unless it's a non-bootable flash drive that locks up the boot process.

Boot manager will step through the boot order list until it encounters a
bootable drive; - any non-bootable drives above the 1st bootable drive
get skipped over; - there should be no locking up of the boot process in
a normal system config!

I'd have to agree with "should be", but evidence suggests that it ain't so.
It appears that the BIOS is waiting for something that never comes.
And it's flash drive dependent. Some work, some don't.
I'd like to fix it so they all get skipped instead of blocking the boot.