Hard drive repair · what the word covers
The first question is nearly always the same, and a choice hides in it. Mending the hardware and reading what sits on it are separate jobs; only one ends with your files in your hands. Electronics and firmware genuinely come back. Heads, motors and platters do not — they hold together for one careful pass, then retire. Disks reach the bench from Plymouth, Tavistock and Saltash over the Tamar, and from Truro, Falmouth and Camborne; every job ends the same way, on media bought new for you.
You will be talking to an engineer
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| What shows up | What that points to | What to do |
|---|---|---|
| Ticking or clicking — can that be mended? | The head stack has gone. Borrowed heads survive one full read, and the mechanism is finished afterwards | Recovery work, not a repair |
| No sound, no light, nothing | Nearly always the board — a blown TVS diode, or dead electronics. Genuinely repairable | Mend the board, then image it |
| Reports 0GB, or answers to a different name | The translator or a service-area module has corrupted. Firmware, and it repairs | Put the firmware right, then read |
| The USB socket has torn off a portable | Connector and bridge-board work. On WD portables the keys live in that same bridge chip | Send the whole unit, enclosure included |
| A shop has handed it back 'working' | Ask precisely what was changed. A blank replacement disk does nothing at all for you | Get that answer before you pay |
| Would a second-hand board be cheaper? | Its ROM carries adaptives belonging to one mechanism, so an untouched donor board returns nonsense | Your own ROM has to travel |
Whatever arrives is booked in under a case number on the day it reaches the bench. An engineer then works out the actual fault, and that part is free. You get a plain answer on what can come off the drive and what cannot, followed by one price in writing. Nothing further happens until you have read it and agreed.
A disk stops for three quite different reasons: the electronics, the firmware, or the mechanism turning inside. One word covers all three, which is why quotes vary so wildly. The free look names which of them you have.
Your ROM comes across to a rebuilt board. Service-area modules are corrected one at a time. Donor mechanics go in where the originals have given out. Every step serves a single aim: one continuous read of the surfaces, start to finish.
Everything that comes off is verified, listed for you, and put onto media bought new for your job. A drive was only ever a container. If light duty is still left in it, we say so; if the mechanism is done, we say that instead.
Thinking it over costs you nothing. Everything the drive gave up is listed for you before any invoice exists, and the bill only follows your go-ahead. Files travel back on media bought in for your job, with return carriage paid at this end, and the case stays on the bench until you confirm they open on your own computer.
Set down here, and stuck to: the electronics repair, and so does the firmware. Heads and motors get patched far enough to last one copy and no further. A platter scored through its coating reads back nothing — not on this bench, not on anyone's, whatever an advertisement claims. That has not shifted, and disks badged IBM, Hitachi, HGST and Fujitsu keep arriving from Plymouth, Saltash, Tavistock and Truro. Where a firm undertakes to hand your failed drive back fit for use, read the undertaking next to its own small print and count what is left standing.
The laptop came back from the shop working: a new disk fitted, nothing on it. The old one had been given up on, and it sat clicking in a drawer in a Plymouth student flat. It went on the bench for a donor head stack. Inside two days the essays and the pictures went onto the shop's new disk.
In part. The electronics are a genuine repair and so is the firmware — a board rebuilt, a service area straightened out module by module. Anything that turns is a different matter. Donor heads are fitted for one purpose: to last a single pass over the surfaces. The mechanism is done afterwards and does not travel home. Your files do, on new media.
A repair concerns the hardware, and the owner walks away with a working device. A recovery concerns the contents, and the hardware counts as expendable. Once a disk has properly failed, only the second answer is an honest one. That is how a laptop returns from a shop quickly and quietly with none of your work left on it.
Hardly ever, and never on its own. A small ROM on the board stores adaptive figures measured against your mechanism and no other. Carry that chip across to the replacement and the disk reads. Leave it behind and the heads report noise. Moving it is soldering work, and it wants the proper bench and the proper kit.
Cheap disks are exactly why that comparison falls apart. Nobody here is selling you storage. The bill covers what was living on the disk that stopped, given back to you on hardware that runs. Put the same sum into nursing a failed mechanism along and you are left holding a part nobody would rely on.
The diagnosis is free, and it comes back as a list: which files read, which do not, and what getting them off would take. Until then, leave the drive unplugged.