The Single Most Important Thing to Do After Data Loss
Every write to the drive is a coin flip against your files. Here is exactly what to do — and the five habits that destroy recoverability.
Notes from the bench
Blog — practical protection for your data and machines
Written for owners, not technicians: what to do when something fails, and what to change so it does not fail again.
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Featured article
The Single Most Important Thing to Do After Data Loss
Deleted does not mean gone
When you delete a file, Windows normally removes the entry that points to it and marks the space as available. The bytes stay where they were until something writes over them. That is why a file deleted yesterday on a lightly used drive is often easy, while the same file on a busy system drive two weeks later may be unrecoverable.
The five things that most often ruin a recovery
1) Continuing to use the computer. 2) Copying "backup" files onto the same drive. 3) Installing free recovery software onto the affected drive. 4) Running chkdsk or letting Windows "repair" the drive — it rewrites filesystem structures. 5) Powering a clicking drive again and again to see if it works.
SSDs and the TRIM problem
On SSDs, the operating system usually issues TRIM after deletion, which tells the drive it may discard those blocks. This is why SSD recovery is a race against time and controller behaviour — and why honest technicians never promise deleted-file recovery on an SSD the way they might on an old spinning drive. If a project matters, keep a second copy; do not rely on recovery.
What to do right now
Power off. Do not mount, format, scan or "optimize". If it is an external or removable drive, remove it and label it with your name and number. For an internal drive in a machine you still need, stop installing anything and bring the machine to us so the drive can be imaged first, then worked on from the image.
How a professional handles it differently
We work from a sector-level image wherever the media can be read reliably, so your original is never at further risk. Image quality, bad-sector behaviour and filesystem structure tell us which recovery method has a realistic chance — and we report that, along with the cost, before you approve anything.
By Prajapati NexaTech Team · 14 Aug 2026