MSI laptops are notorious for BIOS corruption. The schematic tells you:
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MS-16J91 Schematic Diagram - A Comprehensive Overview MSI laptops are notorious for BIOS corruption
Successive rails like +1.0V_PCH , +1.2V_DDR4 , and finally the CPU/GPU VCore rails are enabled in a strict timing sequence controlled by the Embedded Controller (EC). 2. Common Failure Points & Analysis ms-16j91 schematic