my toshiba satellite C50-B918 is not booting even from USB,CD, it displays "Reboot and Select proper device or insert boot med

[Engr Ibrahim Aliyu]

my toshiba satellite C50-B918 is not booting even from USB,CD, it displays "Reboot and Select proper device or insert boot media in selected boot device and press any key. pls help

 

[naturesninja]

Check that bios mode is set to UEFI and not legacy or CSM.