What have you tried: format and erase all drive
What is the error:“unclean data” aborts further installation
What device is this on: Dell latitude d630
Friends, I have two more OS, vista windows and old Linux mint installed of hd…
Maybe, the part of both broken system make “unclean error” during installation…
I gparted 3 partitions from the kali live USB drive, all ext4 type, but still after rebooting, drive become old type