Pokud je to novy PC/NB asi bych vyuzil zarucni reklamacni rizeni.
Pokud je stary, zkusil bych reinstalaci OS-spravne nastavit secure boot/vymenu SSD/vymenu TPM/MB
Jedine co jsem naleznul
https://windowsreport.com/pc-automatically-goes-bios/
https://forums.tomshardware.com/threads/stuck-in-bios-loop-after-enabling-secure-boot-and-tpm.3756111/
https://linustechtips.com/topic/1377579-computer-boots-to-bios-instead-of-windows-after-enabling-secure-boot/