Regarding this issue, kindly recheck the the boot settings in your PC. I think also it may arise due to maybe USB 2.0 port, maybe it couldn’t able to support a USB 3.0 or later, if I am considering your USB as 3.0
Depends on what you’re doing with the laptop. If you’re just cosplaying as a hacker, no issues. If you’re actually using it on a CTF or similar, other folks can try to get into your laptop. Default passwords are just a bad idea to keep.
Is it possible to get a pdf or some other format of this I can print? It looks very good and I’m not proficient in Linux, Kali with its many tools is almost daunting. I’m past senior citizen stage, just attemtping to keep my brain active.