I'm afraid I've messed up my son's portable PC by trying to install Linux alongside Windows 8.1. I've set up many dual-boots in the past, but it turns out this new UEFI hardware is much trickier.
Can anyone shed some light on whythe Ubuntu 18.04.1 installer can't see any partitions on the NVMe disc (so I can't add a new partition after the existing ones) but if I hit ctrl-alt-F2 to get to ...
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