Your data is corrupted.
It's not gone.
Inaccessible files, a partition that disappeared, a drive asking to be formatted, or ransomware that encrypted everything — logical data loss is recoverable more often than physical failure. Your files are almost certainly still on the storage medium. We find them.
Physical damage or
logical failure — it changes everything.
Recovery approach differs completely based on whether damage is physical or logical. This three-question tree identifies which you're dealing with — and what to do next.
Every type of logical data loss
we recover from.
Logical data loss is recoverable more often than physical failure. Your files are almost certainly still on the storage medium β the directory pointing to them is what's damaged.
From corrupted drive to recovered files.
No surprises. All work happens on images β your original drive is never altered. Zero charge if we can't recover your data.
Never run chkdsk or Disk Utility
on a drive asking to be formatted.
The "You need to format the disk" or "drive not accessible" prompt means the filesystem is corrupted, not that the data is gone. Windows' chkdsk and macOS's Disk Utility First Aid are designed to repair filesystem structures β which means they can mark corrupted entries as orphaned and delete them.
When those entries are deleted, the file system links pointing to your data are gone. The data blocks may still be physically present, but recovering them becomes significantly harder and often requires file carving at the raw data layer rather than the faster filesystem-level approach.
The visualizer shows the difference between intact filesystem metadata (recoverable) and metadata deleted by chkdsk (harder to recover). One click β permanent consequence.
Every filesystem. Every OS.
Logical recovery requires understanding the exact filesystem. We work with every major filesystem and OS combination in-house at our Surrey lab.
We work on images.
Your original is never touched.
The most common mistake in data recovery is working directly on the damaged drive. We don't β and that's the difference.
What to do right now —
and what never to do.
Some repair tools are designed to fix filesystems β not recover your data. They can and do permanently delete entries that we could have recovered.
- Power off the drive as soon as you notice data is missing or inaccessible
- Write down exactly what happened and what you've done since β this helps diagnosis
- Check Windows Shadow Copies (right-click file β Properties β Previous Versions)
- Check macOS Time Machine if it was enabled β may already have your files
- Call us before doing anything else β a 10-minute phone assessment is free
- Do not run chkdsk, fsck, or Disk Utility First Aid on a corrupted drive
- Do not format the drive even if prompted β "format required" is not data loss
- Do not pay ransomware β come to us first to assess your technical options
- Do not reinstall the OS on the same drive β this overwrites recoverable data
- Do not use consumer recovery software if the drive is making unusual sounds
Corrupted data recovery —
straight answers.
No false promises about ransomware. Honest answers about what's recoverable.