Comment 10 for bug 1433310

Same problem with Installation from a USB (runs ubuntu-16.04.1-desktop-amd64.iso; made bootable by rufus-2.10).
- In my UEFI I chose to boot from UEFI only
- I made the USB Stick GPT (UEFI only)

During installation I chose:
[X] to update updates automatically and
[X] to install 3rd party software and

I chose to partition manually.
Device: Samsung 950 Pro. So this is how I partition the /dev/nvme0n1 (which will be the bootloader partition):
Partition 1: 200 MB, EFI (ESP)
Partition 2: 11 GB, SWAP
Partition 3: 500 GB, ext4, /
all primary partitions

Stuck at the Force UEFI Box.

(btw in German it says "Die Firmware dieses Rechners hat den Installer im UEFI-Modus gestartet, aber scheinbar existieren weitere Betriebssysteme auf dem REchner, die im BIOS-Kompatibilitätsmodus installiert wurden. Wenn Sie mit der Debian-Installation im UEFI-Modus fortfahren, könnte es später problematisch werden, eines der anderen Betriebssysteme im BIOS-Modus zu starten." ..).

No matter what I click (next or back), nothing happens.

I need to press my computer's RESET button, then do "G-philip (g-philip) wrote on 2015-04-03"'s workaround:

Choose not to install updates during installation. Then it works! I was able to click "Next" on that "Force UEFI" message, and the installation actually went on.

Thanks G-philip! And please fix that bug, Ubuntu team.

By the way: My mainboard (Asrock Rack E3C236D4U, UEFI 1.5) cannot find my installation if I choose "Boot -> CSM Parameters -> Boot Option: UEFI only" in the UEFI options. I need to choose "UEFI + Legacy" here to be able to find + boot my fresh installation. But maybe that's related to my Mainboard / SSD (Samsung 950 Pro, NVME, M.2) combination and not Ubuntu only. (Havn't tried Windows yet)