Regression, system can't boot on real hardware

Crashed while installing devices.

Can't boot from LiveCD or HDD.

Logs: (can't find more)

(/ntoskrnl/mm/mmfault.c:123) Page fault at high IRQL was 31, address c914ec83

Entered debugger on last-chance exception (Exception Code: 0xc0000006) (Unknown User defined exception)

Hardware:

CPU: Pentium G640

Motherboard: Colorful C.H61HD

GPU: Integrated