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"SA not found" error when FDE is loading on Dell Latitude **50 / **70 series Technical Level
  • "SA not found" error message is shown on Dell Latitude **50 / **70 series when FDE is loading and SATA mode is set to "RAID":
  • A Green Screen Of Death (GSOD) appears if AHCI mode is enabled in BIOS.

Possible causes:

  • AHCI mode is enabled in the BIOS.

  • Dell BIOS problem.

    Known affected models (other models might be affected as well):

    • Dell Latitude 3450
    • Dell Latitude 3550
    • Dell Latitude 5250
    • Dell Latitude 5450
    • Dell Latitude 5550
    • Dell Latitude 7250
    • Dell Latitude 7350
    • Dell Latitude 7450

    Important: See Third-Party Software Disclaimer


Follow these steps:

  1. Disable the AHCI mode in the BIOS.
  2. Upgrade the BIOS version to the latest version. If needed, contact Dell Support.

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