Before attempting any fixes, prioritize backing up your important files and data. You may simply copy the data to an external hard drive. The SMART status bad backup ...
This may not help you (apologies if it's brutally obvious), but the only time I've seen a "BIOS Checksum Error" was when the motherboard battery was dead.
Follow these solutions to fix Error 0x80042414, The system Image Restore Failed, and Windows did not find any disk in Windows 11/10. Disable RAID in your BIOS (if ...