Case notes · Mac & Apple · MHD-2025-7141
A Dead Laptop Says Nothing About the Disk Inside.
A trainee teacher who was working on placement in Boyn Hill needed to have his teaching portfolio submitted by the end of the month. Then one evening his MacBook Pro (a 2012 model) simply would no longer wake up. There was no light coming from the magnetic connector, there was no sound (chime), and, as he put it, neither charger does a thing
. Since he didn't want to sit around waiting for a repair estimate, he looked up a teardown and decided to take apart his MacBook to get at the hard drive. This required removing the ten screws from the bottom of the laptop. Once he did this, he had the Toshiba 500GB hard drive out the same night, because he reasoned that my coursework lives on the disk, not on the machine
. His biggest worry now was the drive's mileage: that drive has been running most days since 2012
.
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In everyday terms.
There were two power adapters, and neither of them got any response from the computer. Therefore, this meant that the problem with the computer was somewhere along the charging path, which is a circuit that the hard drive has nothing to do with. Since storage is located after the supply and not within it, what the hard drive receives is not damage, but starvation. So the real question was never the MacBook but its mileage: how reliable could a hard drive still be if it had been in use almost every day for thirteen years? And that is something that can be measured, therefore it was measured before any promises were made about reliability.
What the bench used here.
How a job is handled →| Tool | Why we used it | What it brings |
|---|---|---|
| ACE Lab PC-3000 Express | SMART, defect lists and sample reads, end to end, on a thirteen-year-old disk | Reaches the vendor-specific commands that ordinary ATA has no way of issuing |
| Atola Insight Forensic | Copied through a hardware write blocker so the original could not alter | Several drives imaged at once, every write blocked and every step logged for the file |
| UFS Explorer Professional Recovery | Lifted the HFS+ volume from the copy, dates and folders intact | Reads the awkward filesystems others stumble over: APFS, ReFS, XFS, ZFS, Btrfs |
The lab work.
Assume nothing about a disk of that age
There was no caddy used. The hard drive was addressed directly at the firmware level; this is the only method you will ever find to determine exactly what information a hard drive keeps to itself, such as its growth defect list, its reallocation counters and its SMART history, followed by sample reads from the outer tracks inwards. What came back in terms of data was very uneventful, in the best sense; although a few sectors had been remapped, the timings held up, and the mechanical components of the drive indicated their age with minimal wear.
The write blocker goes on either way
Any hard drive that functions properly receives the exact same treatment as one that is failing. In fact, a write-blocker on healthy media uses virtually zero time. Additionally, having a write-blocker settles any later argument for good: the original hard drive went home in the same condition as it was received, and a log was generated stating as much.
Work from the copy, not the disk
By using UFS Explorer, we were able to open the volume directly from the image. All file names, folder names and dates remained exactly as he had left them. The MacBook was never opened again, and there was no need for it at any point in the recovery.
How the job closed.
The portfolio and the placement evidence were returned to him two weeks before the deadline for submission. Whether or not the charging circuit is worth repairing is a question for a laptop repair workshop; the disk itself, which has now been measured and written up, has been demoted to simply holding a second copy.
More of the jobs we've closed.
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Does any of that match your case?
There is nothing that needs to be decided until the diagnosis comes back: switch the device off, get a quote, then send it in, and let the findings decide what happens next.