Re: No CD or USB-boot on Satellite C850-Z19
in response to: UndercoverLawyer
Quite good track.
The UEFI mode was ON in the BIOS. To remove it:
Starting the PC with F2
Advanced / System configuration / Starting mode: CSM rather than UEFI.
Typing a password for the superuser (otherwise, anybody controls your PC by BIOS access) F10 to exit and save the parameters