Quick Summary Scenario Common Fix Not detected in BIOS (desktop/laptop) Check CSM/UEFI settings, update motherboard firmware, reseat drive Fails to boot after detection Set correct boot order, enable UEFI, disable Secure Boot temporarily Cold boot issues (drive missing after shutdown) Disable Fast Boot, update SSD firmware, adjust PCIe link speed Raspberry Pi 5 not detecting … Continue reading Fix WD BLACK SN850X NVMe SSD Not Detected in BIOS or Fails to Boot