First, I don't have a SSD I have a HDD, second I've formatted my drive to APFS, third I'm installing from USB with BIOS set to AHCI, Dell Bios has Optimus and UEFI BIOS set to legacy.
The USB boots and reboots after a couple of times.
In the middle of the installer, the computer suddenly reboots.
Then when it reboots, it looks like weird text before rebooting which is probably a sign of KP.