Enter BIOS (usually F2 or Del) and Load Optimized Defaults . Then reconfigure SATA mode (AHCI/RST) and Secure Boot.
Always back up the current BIOS before overwriting it. 6-71-nl4c0-d03 bios
This identifier confirms the hardware is an ECS K7S5A motherboard running on the SiS 735 chipset. It is a legacy Socket A board designed for AMD Athlon processors. Enter BIOS (usually F2 or Del) and Load Optimized Defaults