Data Recovery Case File · Second Fixes & Trade Handoffs · Case 2,200 · Milestone
An Observation You Did Not Make Arrives Bundled With a Conclusion, and They Are Not the Same Thing
The two thousand two hundredth file in this archive is about a report from someone else. A dropped drive taken to a repair shop, who "told me the platter is scratched and the headstack is stuck to the platters, and that there is no way to recover the data" — with six years of photographs on it, and her own careful question: "is there any way at all that even some of the data can be recovered?" Her question has already done the work, because it separates what the verdict joined together.
| Media | Hard drive subjected to impact and subsequently examined by a third party — surface damage and head-to-platter adhesion reported; recovery declared impossible by the examining party |
| Reported situation | Hard drive dropped · drive taken to a repair shop for assessment · shop reporting surface damage to a platter · shop reporting the head assembly adhered to the platters · shop stating that recovery is not possible · approximately six years of photographic content held · owner enquiring whether partial recovery may be feasible |
| Fault class | Impact damage with head adhesion reported and surface damage claimed — the two findings carrying opposite implications; extent of any surface damage determining the recoverable proportion |
| Equipment used | Reported observations separated from the reported conclusion before any assessment was made · no power applied at any stage · laminar flow bench inspection with each surface examined independently and any damage mapped by radius · head assembly freed and replaced from a matched donor where adhesion was confirmed · imaging under capped timeouts with undamaged radii captured first |
The decode: five things this case establishes, at a milestone
The first — that verdict contains three separate claims, and they are not equally reliable. Two are observations: the head assembly is adhered to the platters, and a platter is scratched. One is a conclusion: there is no way to recover the data. The conclusion is not a fourth thing that was seen — it is an inference drawn from the other two, and it arrives sounding exactly as authoritative as they do. Separating what was observed from what was concluded is the entire skill in reading a report like this, and it has to be done deliberately, because the report does not do it for you.
The second — the two observations have opposite implications, and bundling them hides that. Heads adhered to a platter is among the most ordinary findings after a drop. It is routine, it is expected, and it is recovered from constantly: the assembly is freed under filtered air and replaced from a matched donor, and the drive reads afterwards. Presented alongside a scratch, it reads as part of a catalogue of disaster. On its own it would read as a Tuesday.
The third — even the serious observation does not support the conclusion. A scratch is a mark at a radius. The heads sweep across the surface, so damage at one radius affects the tracks at that radius and not the tracks inside or outside it. A scratched platter is not an erased platter; it is a band. Six years of photographs are distributed across the whole surface and across, in all likelihood, more than one surface. No way to recover any of it does not follow from a scratch — it would follow from damage at every radius on every surface, which is not what a scratch is and not what was described.
The fourth — the observations required the drive to be opened, and that is worth knowing without turning it into an accusation. Nobody can see a platter or a head assembly from outside. To report those things, someone opened the drive, in all likelihood in ordinary air. That does not make the observations wrong. It does mean they came at a cost, and it means a careful assessment now has to establish what was already true and what has happened since — which is a reason to look again rather than a reason to doubt anyone's good faith.
The fifth, and the one that explains how a verdict like this gets said at all. A shop assessing a drive is reporting the limit of what they can do. There is no way to recover this is very often a compressed way of saying we cannot recover this, and the compression happens without anyone intending to mislead. A general repair business does not hold a filtered-air bench, matched donor stock or imaging equipment with per-sector timeouts, and correctly concludes the job is beyond it. What travels to the customer is the shorter sentence, and the shorter sentence is about a different subject.
The principle, stated plainly for the two thousand two hundredth file: when a finding reaches you through someone else, take it apart before you act on it. Ask what was actually seen, what was inferred from it, and who the conclusion is really about — and notice that the observation can be entirely sound while the conclusion drawn from it is wrong. Her instinct to ask about some of the data rather than all of it is the correct move, and it is available to anyone who reads a verdict as a set of claims rather than a single one.
On the bench
Reported observations were separated from the reported conclusion before any assessment was made — head adhesion being an ordinary consequence of impact, routinely resolved by freeing the assembly under filtered air and replacing it from a matched donor, while surface damage occupies a radius band rather than a whole surface, since heads sweep across the platter. Total loss would require damage at every radius on every surface. Each surface was examined independently and damage mapped by radius, with undamaged radii captured first.
The outcome
Observations separated from the conclusion, no power applied at any stage, surfaces examined independently under filtered air and damage mapped by radius. Free assessment, one fixed written figure including VAT, 50% of parts and labour upfront with the balance only on successful recovery. The decode, for the two thousand two hundredth file: you were given two observations and one conclusion, and asked about the conclusion. Heads stuck to a platter is ordinary and recovered from constantly — and a scratch is a band at one radius, not an erased disc.
When you have been told nothing can be recovered
Take the verdict apart before accepting it. Ask which parts were observed and which were concluded — heads adhered to a platter after a drop is ordinary and routinely recovered from, while a scratch affects one radius band rather than a whole surface, because the heads sweep across it. Neither supports the claim that nothing at all can be recovered. Bear in mind too that "there is no way" is often a compressed way of saying "we can't", and those are statements about different subjects. Don't power it meanwhile.
Ask what was seen and what was concluded — call Cambridge Data Recovery on 01223 655015; observations separated from conclusions, surfaces examined independently under filtered air, damage mapped by radius before anything is decided.
Request a quote online →
Our case files are drawn from genuine enquiries received by our laboratory over the past ten years, anonymised to protect client confidentiality. Each one describes the diagnostic and recovery procedure our engineers apply to that fault, using the equipment listed.