New
#11
You have uefi selected now? I assume you do but want to make sure.
Did you run all the Dell diagnostics from the preboot test?
Also, maybe you get the boot error because it cannot find the Intel driver in safe mode. On the drive tried it, I had Intel irst installed. Maybe try installing that and then try it again. I do not think installing it when in ahci mode will hurt anything, it is just not needed.