Dysk i Spółka • Data Recovery Laboratory
Knowledge Base & Expert Guides from our Warsaw laboratory — page 2
Knowledge Base & Expert Guides — our blog with practical articles on data recovery, failure diagnostics and media safety. Choose a topic and review safe first steps before attempting any do-it-yourself fix.
Expert guides: how to save data from HDD, SSD and RAID systems.
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Most-read data recovery guides
Below you will find some of our most popular guides. Each article ends with links to services so you can easily move from the problem to a safe diagnosis.
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"The disk needs to be formatted" — why you must not ignore this message"You need to format the disk" message? Do not click format. Learn what it means and which steps protect the data before diagnostics.
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When you lose data, it is the worst possible moment for experimentsWhat to do when an HDD clicks, an SSD disappears or a RAID becomes degraded — and why random recovery experiments often make the outcome worse.
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How much does data recovery cost — actual price ranges and what the quote depends onSee real data recovery price ranges for HDD, SSD, RAID and NAS cases, what affects the quote, and why the cheapest option can increase the final loss.
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The 3-2-1 backup rule in action: how to build a resilient archive for a business and a photographerHow to store photos, projects and documents safely. Practical backup guidance for photographers, creators and small teams from our Warsaw laboratory.
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How to recover data from a damaged HDDLearn which first steps are safe after HDD damage, when to stop powering the drive on, and how to improve the chance of recovering important data.
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Key first-aid steps: how to handle a damaged surveillance driveDeleted CCTV footage from an NVR or DVR? Learn the safest first steps, why overwriting is the biggest risk and when specialist recovery is still possible.
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How TRIM and garbage collection affect SSD and NVMe data recovery — and how to protect your filesTRIM and garbage collection can permanently remove deleted SSD data. Learn what they do and which actions may still limit the loss.
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Case study: how we saved a wedding photographer's season after a laptop spillCase study from our Warsaw lab: a liquid-damaged laptop, no backup, severe time pressure and a full file handover within 72 hours.
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HDD, SSD or the cloud? A practical comparison of backup mediaHDD, SSD or cloud? How to choose the right backup medium. Practical backup guidance for photographers, creators and small teams from our Warsaw laboratory.
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What does a day in a data recovery lab look like? Behind the scenes at Dysk i SpółkaSee what a typical day in a data recovery laboratory looks like, how cases are diagnosed, and why procedures matter before any recovery attempt.
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How to protect footage from a one-off job — a backup workflow for photographers and videographersHow to protect footage from your only job. Practical backup guidance for photographers, creators and small teams from our Warsaw laboratory.
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How to protect surveillance recordings — prevention, backups and GDPRHow to secure surveillance footage: backup + GDPR. Practical backup guidance for photographers, creators and small teams from our Warsaw laboratory.
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JFS vs XFS in DVR systems – key properties in CCTV footage recoveryJFS and XFS are common in DVR/NVR recorders. Learn why the file system matters for video storage and recovery of surveillance footage.
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Memory cards and USB drives failed? Here is a rescue plan for your dataMemory card or USB flash drive not working? Do not format it. See the safest first steps after read errors, RAW state or missing files.
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When to leave it alone and when to act — first aid after a laptop spill or a dropped driveSpilled liquid on a laptop or dropped a drive? See the first safe steps that reduce additional damage and protect the data.
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The drive powers on and spins, but the system cannot see it — what does it mean?External drive not detected? See what LED activity, RAW state, slow response or disconnects can mean before you try more live fixes.
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Do not format the media thinking "I will recover it later with software"Do not format the device if you want to recover data later. Expert guide from Dysk i Spółka on the safe next steps after data loss.
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Do not install data recovery software on the same driveLearn why installing recovery software on the same drive can overwrite files, and which safer first steps improve the chance of getting data back.
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Do not open a hard drive at homeWhy opening an HDD outside cleanroom conditions is dangerous, what contamination does to the platters and when only laboratory work makes sense.
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Do not use CHKDSK to repair the file system if the drive is damagedIn data recovery labs we often hear the same story: the drive was already in trouble, and after CHKDSK the situation became far worse.
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