Clicking, beeping, dropped, or slow hard drive
Power it off. Do not keep testing, freezing, tapping, cloning with unstable tools, or opening the drive.
Use this matrix when the important question is not a generic keyword, but the exact sequence that happened before the data became unavailable.
Power it off. Do not keep testing, freezing, tapping, cloning with unstable tools, or opening the drive.
Do not initialize, format, update firmware, or keep replugging. Note whether it appears in Disk Management, Disk Utility, BIOS, or not at all.
Do not rebuild, swap several drives, change disk order, create a new array, or initialize a volume. Photograph drive order and alerts.
Do not reset, restore from backup over the device, charge a wet phone repeatedly, or approve erase prompts.
Pause sync clients and stop saving new files until the missing version, deleted file, or overwrite path is understood.