[SOLVED] Problem installing Neon 18.04

[joneall]

I downloaded neon-useredition-20180927-0529-amd64.iso and checked the sha256sum, then copied the iso to a USB key with

sudo dd if=./neon-useredition-20180927-0529-amd64.iso  of=/dev/sdd bs=16M

An ls of the key showed

$ ls /media/jon/neon\ user\ 20180927-05\:46/
boot  casper  dists  EFI  isolinux  pool  SHA256SUMS

so it looked ok. I then rebooted. The firmware offered me two version of the key, one with its name, the other with UEFI:the same name.

Booting the UEFI version (I think, I may have inverted these) immediately gives me an error

error: invalid magic number

and the non-UEFI version gives an error

failed to load ldlinux.c32.

I downloaded the iso file again, checked the checkusm, dd copied it to a different key. Same result.

For whatever it may be worth, my GPTED key boots fine.

I have no idea what to do.

[chimak111]

I use mkusb to make live USBs.

[joneall]

As indicated on another site, I added "&& sync' to the end of my dd command. All working now.

Thanks for the suggestion.