Case notes · Desktop externals · NTG-2025-2071
Plug It In, and the Whole Machine Stops.
It had become routine in Lincoln. The Seagate goes in and the PC freezes solid with all its lights still on, and stops that way until you pull the lead
. Folder windows would set half drawn on the screen, and the moment that lead came out the machine behaved perfectly. On the disk were eight years of interviews belonging to a community radio station, and a whole Sunday had gone on moving one folder off it before the drive stopped altogether. That much answered the question he cared about: they are on there, it just will not give them to me
.
Yours doing the same? Say what it is up to — looking is free.
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What went wrong, and why.
There was never anything wrong with the PC. Storage requests get served in turn, and this disk had installed itself at the head of that queue. Where a drive stops replying, Windows waits out one timeout, puts the request again, waits out a second, and every job behind it waits with it. Which is how a spreadsheet with no connection whatever to the Seagate came to freeze along with the rest. That folder he did manage to shift on the Sunday answered the biggest question of all — the filing was intact and the recordings genuinely were on there. Nothing had been wiped. What the disk no longer had was any means of giving it up.
The bench work this one took.
How the work runs →| Kit on the bench | What it did on this job | Why we reach for it |
|---|---|---|
| DeepSpar Disk Imager 4 | Two attempts per sector and no more, so a bad patch could not hold the copy up | One platter side per pass, with the heads mapped before a single sector is taken off, and the resets, the timeouts and the power all held under our control |
| ACE Lab PC-3000 Express | Pending and reallocated counts came off first, and the method was set from them | Reaches the maker's own service mode, which standard ATA commands cannot |
| UFS Explorer Professional Recovery | Everything was taken off the finished copy, one folder of interviews at a time | Reads APFS, ReFS, XFS, ZFS and Btrfs where other tools give up |
What happened on the bench.
Stop using up what is left
Those counters had settled the matter before anything else was tried. Reallocation was a long way down the road, and the pending list lengthened every time the disk was asked again. Sunday's folder had therefore been borrowed rather than recovered, out of a mechanism working well past what it had left. The single useful thing to do from there was to cut its power.
No part of the disk is allowed to hold the copy up
Settings came first: timeouts shortened, two attempts to an address, and anything still refusing logged so the run could carry on. Sound areas came off at full speed. Awkward addresses were kept for a final pass and worked one head at a time in short sittings, which is the pace a tired mechanism can still manage, and the reason none of the rest of the archive was put at risk.
Then listen to every minute of it
No file count signs a job like this off, because a file of precisely the right size can still contain a stretch of silence the platter never gave back. So every interview was played. The image mounted first time; up came eight years of recordings in the order the station had made them; and each one ran beginning to end before the case was closed.
What was returned.
Every folder crossed over, the half-copied one included, and all of it passed the listening test. The archive travelled home on new media. A second set of it went to the station's archivist. That Seagate is out of service. Nothing has troubled the PC since it went.
Start here if the same thing is happening to yours.
More jobs off desktop disks.
Sounds like yours? Switch it off before anything else.
£250 + VAT covers a card or a USB stick; a single drive is £300 + VAT; RAID and NAS start from £500 + VAT. Nothing is charged for the first look, and a fixed figure reaches you in writing before any chargeable work begins. Switch the device off, leave it alone, and post it in. On most jobs, no data back means no fee.