Apple machines · lab record · PLY-2025-0607
A Tick, a Pause, and Then Another Tick.
Nobody had closed the rucksack, so the drive slid out and landed on the kerb on Boscawen Street. A rubber-clad case tempts anyone to think nothing of it. Inside were twelve years of drawings and site photography. Afterwards, it will not mount on either of my Macs
, and held to an ear it gave a tick, a few seconds of quiet, then one more — soft enough that you could persuade yourself you had imagined it.
Sounds like yours? Talk it through.
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Why it happens.
What you hear describes the box rather than the damage. Less air moves round a 2.5in platter than a 3.5in one, a light shell passes sound on poorly, and rubber is wrapped round a Rugged specifically to swallow knocks and noise. None of that alters what sits on the platters. Once the shell is off, the soft ticking, and the thud a big desktop unit makes, prove to be one event repeating: a head hunting a servo mark, missing it, retreating, going round again. Every attempt drags it over the surface your files live on.
The kit this job called for.
How the job runs →| The kit | What it did here | Why we keep it |
|---|---|---|
| DeepSpar Disk Imager 4 | Scored each new head once fitted, and let that set the order of reading | Scores every head before it starts, works one surface at a time, and holds resets, timeouts and power in check |
| PC-3000 Data Extractor | Went across the surface a band at a time, with every reset written down | The PC-3000 runs the copy through the drive's own firmware |
| UFS Explorer Professional Recovery | Restored the HFS+ catalogue entire — safer on an Apple volume than carving | Mounts what other software will not: APFS, ReFS, XFS, ZFS and Btrfs volumes |
How it ran.
Loud or quiet, the handling is identical
No power went near it before it lay open under a bench lamp. The damage was ordinary damage in miniature: marks where the sliders had touched down around the park zone, and platters otherwise close to clean. He tried twice and stopped, and the shortage of anything worth photographing is entirely down to his stopping.
Sort the heads out before reading a thing
Family and production window both had to agree before a donor was accepted. Its stack went in and every head was then tried on its own. All of them read, but one measurably more weakly than the others, so it waited until the end while the pass opened on the strongest.
Hand HFS+ back the structure it wants
An HFS+ volume keeps its whole index inside a single catalogue file. Recover that file whole from the image and an archive comes back looking like an archive. Miss it, and the customer receives a heap. What he got back had names on it, sat in folders by year, and carried the dates the work was recorded under — not a directory of numbers to be opened one by one.
How it ended up.
Nothing was short. Two jobs were opened from the rebuilt volume, one from the disk's oldest year and one from its newest, photographs in the first and drawings in the second. Its survival comes down to two attempts having been made rather than twenty.
Pages people open after this.
Other Apple jobs in the log.
Seeing the same thing?
Leave it switched off and post it in. Nothing happens until the diagnosis, which lists what can still be read and what cannot.