What absolutely NOT to do if you care about data

The hardest moment after data loss is the first decision. A person in Warsaw loses photos, a company share disappears, a laptop asks to format a disk, and the instinct is to click something quickly. If the files matter, slow down. The wrong repair attempt can do more harm than the original failure.

Repeated power cycles are risky when an HDD clicks, an SSD disappears, or an external drive freezes the system. Each attempt can add stress or change the device state.

First, identify the source of the risk

The greatest risk arises when different types of failure are treated like the same case. Deleted file on stable HDD, memory card requesting format, SSD after removing the directory, RAID after failure to rebuild the RAID and hard drive with clicking require other procedures. In each of these situations, inappropriate repair may mean different risks.

CHKDSK repairs file-system structures. On unstable media, it can alter the MFT, move entries and make later analysis harder. Use it only when the hardware is known to be healthy and the data is not at risk.

Do not format, initialize or create a new partition

Installers, temporary files and recovered output can overwrite deleted data. On SSD/NVMe media, TRIM may also remove references quickly. If software is appropriate, run it from another disk and save results outside the source.

Write down the symptoms and stop the tests. With HDD it is worth comparing the case with the guide drive clicking on startup, and with a USB disc with text about disconnect while copying.

Do not run CHKDSK on a possibly damaged drive

RAID recovery depends on disk order, member health and metadata. A rebuild on the wrong disk or after a second drive error can overwrite useful parity and make reconstruction harder.

Nearest guides:

• RAW — Not Format
• formatting message
• disk unknown, uninitiated

Do not install recovery software on the source

CHKDSK is a tool to repair the file system, not recover data. On an unstable disk, it can treat file fragments as structural errors, change directory entries and overwrite the information needed for subsequent analysis.

If the problem concerns important data, first determine whether the storage device is stable and if a working image can be created. Then decide whether to repair the file system makes sense. More: do not use CHKDSK on damaged disk.

Do not open an HDD at home

Analytical software can only be helpful if it works outside the source storage device or on a copy of it. Installing on the source disk, recording the results on the same storage device or repeated software reading of the unstable HDD without reading control increases the risk of overwriting the data.

If the media is stable, work with another disk and save the results outside the source. If the storage device has symptoms of failure, it is safer to go to the right path:

• HDD data recovery
• SSD/NVMe data recovery
• USB external drives

Do not rebuild RAID without a plan

Opening the hard drive outside the laboratory, translating electronics without diagnosis and launching the RAID array without saving the order of disks can severely reduce later analysis. In the RAID, the order of the media, the logical state, matrix metadata, and the history of the failure are important, not just that individual disks “look healthy”.

By matrix or NAS first secure configuration and go to recovery of data from RAID/NAS. With a classic HDD with mechanical symptoms, the first step is to stop working the storage device.

Do not trust an unverified backup

Do not make another mistake to “fix” the previous one. If you have started CHKDSK, clicked formatting, saved the results of the analysis on the source disk, or started rebuilding the RAID without a plan, stop the current state and describe exactly what happened. It doesn't automatically overturn the case, but it changes the diagnosis.

When reporting, specify the order of events: first symptom, clicked options, used programs, reading time and visible messages. Include data priority specifically: book base, session photos, client design, company documents or a catalog with recordings. Such a story helps determine whether to first protect the media, file system, configuration of RAID or analysis material.

What to do instead

Save the storage device model, system capacity, messages, sounds, failure moment and list of previous attempts. Add which files have priority: company documents, photos, database, client design or archive.

If you are not sure which scenario concerns your case, go to description of vehicle symptoms. A brief description of symptoms usually gives more than another hour of random tests.