Data Recovery Case File · Cameras, Drones & Cards · Two Hosts Disagreeing
Not Inserted in One Place, Empty in Another
Her enquiry reports two different symptoms from two devices, and the difference between them is the diagnosis. A card used as extra storage in a phone: "my phone currently tells me it is not inserted, and when trying to read it on a PC the folder says empty — however, I have a lot of data on it, mostly photos." Those answers contradict each other, and both are true. A computer mounting the card and showing nothing is a far better finding than a phone not seeing it at all, and together they place the fault at one layer.
| Media | microSD card used as expansion storage in a handset — not detected by the phone; mounted by a computer and presenting an empty directory; substantial photographic content held |
| Reported situation | Card used as additional storage in a phone · phone reporting no card inserted · card mounting on a computer · directory presenting as empty · substantial photographic content known to be present |
| Fault class | Volume mounting with directory contents unreadable — content present; handset detection failing separately at contact or format level |
| Equipment used | Card removed from the handset and not reinserted · reported capacity and used space read write-blocked (DeepSpar USB Stabilizer 10Gb) · imaged before any reconstruction · directory structures rebuilt on the image from surviving copies · signature carving alongside |
The decode: what each device is telling you
What the computer mounting it establishes, and this is the encouraging half: for a folder to open at all — even an empty one — the card must power up, enumerate, report its capacity, present a valid partition, and offer a filesystem the computer recognises well enough to mount. Every one of those layers is working. A card that was electrically dead or whose controller had failed would not get near that point.
So what does an empty folder mean: the volume mounted and the directory could not be read. The entries listing what is on the card are damaged or unreadable, so the file manager displays nothing — while the files themselves sit untouched in the data area. Empty in a file manager is a statement about the index, not about the card.
The check worth doing that settles it in seconds: look at the card's properties on the computer and compare used space against capacity. If several gigabytes show as used while the folder shows nothing, the two halves of the filesystem disagree — allocation records still know the space is occupied, and the directory entries describing it are gone. That is the clearest possible confirmation that the photographs are present.
Why the phone says nothing is inserted, which is a separate matter: handsets are stricter and less tolerant than computers. A phone that cannot read the card's identification cleanly, or that finds a filesystem it will not accept, frequently reports no card at all rather than reporting a problem. Contact wear is also common in cards that live in a phone's spring-loaded slot. Two different hosts giving two different answers is normal, and the more capable host's answer is the more informative one.
Why the outlook is good: directory damage is among the more recoverable conditions. Filesystems keep backup copies of key structures at known positions, so a rebuild frequently returns photographs with their original names and dates rather than as an unnamed set.
What must not happen: no format, and the card should not go back into the phone. Both the computer and the handset will offer to format it — the phone particularly, since a device reporting no usable card is one step from proposing to set one up — and the card should stay out.
On the bench
The card was removed from the handset and not reinserted, a phone reporting no usable card being one step from offering to format one. Reported capacity and used space were read write-blocked behind the DeepSpar USB Stabilizer 10Gb — used space consistent with the missing content confirming that the allocation records still accounted for it while the directory entries did not, which is the distinction between damage and deletion. The card was imaged before any reconstruction, directory structures rebuilt from their surviving copies, with signature carving alongside.
The outcome
The card imaged before any reconstruction, used space reconciled against the missing content and the directory rebuilt from its surviving copies. Free assessment, one fixed written figure including VAT; where a chip has to be removed, 50% of parts and labour is payable upfront with the balance only on success — otherwise no recovery, no fee. The decode: those two answers are both true and the computer's is the useful one. For a folder to open at all the card must power, enumerate, report capacity and present a recognised filesystem — so an empty folder means the directory could not be read, not that the card is empty. Check used space against capacity.
Card a phone won't see that a computer shows as empty
Check the card's properties on the computer and compare used space against its capacity — that settles it in seconds. If gigabytes show as used while the folder shows nothing, the two halves of the filesystem disagree: the allocation records still know the space is occupied and the entries describing what's in it can't be read. Your photographs are there. Take encouragement from the computer mounting it at all, too, because that requires the card to power up, enumerate, report its capacity and present a filesystem the machine recognises. A phone reporting no card inserted isn't a contradiction — handsets are much stricter and tend to report nothing rather than reporting a problem. Keep the card out of the phone, which will offer to format it.
Check used space first — then call Guildford Data Recovery on 01483 901310; capacity and used space read write-blocked, imaged before any reconstruction, directory rebuilt from its surviving copies.
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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.