Toshiba screen comes on & says No Rebootable device--Please restart system

[sally_21]

Screen says
No Rebootable device--Please restart system

What does this mean as I've tried to turn off & no again but then it asks for
Enter HDD/SSD password

But I can't use keypad to enter anything

 

[zer0c007]

See this thread:
http/www.tomsguide.com/answers/id-3038326/bootable-device-restart-system.html