Dysk i Spółka • Data Recovery Laboratory
Knowledge Base & Expert Guides
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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Database recovery and repair for Płatnik, Optima, SQL and SubiektSee the key symptoms, practical first steps and a safe recovery path explained in this article.
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Need help? Leave the stress to us, not to your driveWe explain drive failure symptoms, common mistakes and the safest first steps before data recovery begins.
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RAID 5 shows “degraded” even though the drives look healthy — what should you do?We explain business storage failure symptoms and the safest first steps before recovering data from servers, RAID or NAS.
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When RAID is not enough: why backup is essential and how to recover data after an array failureWe explain business storage failure symptoms and the safest first steps before recovering data from servers, RAID or NAS.
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Ransomware on a QNAP NAS — how to recover data without paying the ransom [Case study]Learn how to secure the environment after ransomware and when data recovery still has a realistic chance of success.
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Pillar 1: Secure your network and devices – the foundation of safetySee the key symptoms, practical first steps and a safe recovery path explained in this article.
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Company server down? SAN, VMware, Hyper‑V — we recover data from virtualisation systems and SAN networksWe explain business storage failure symptoms and the safest first steps before recovering data from servers, RAID or NAS.
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Synology, QNAP or WD My Cloud failed? It is not the end of the world — specialist NAS data recoveryWe explain business storage failure symptoms and the safest first steps before recovering data from servers, RAID or NAS.
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How to diagnose a damaged HDD?We explain drive failure symptoms, common mistakes and the safest first steps before data recovery begins.
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VMware ESXi cannot see the datastore after a restart — LUN recovery [Enterprise case]We explain business storage failure symptoms and the safest first steps before recovering data from servers, RAID or NAS.
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Why is a WD Passport a “special case”?A real laboratory case: failure symptoms, diagnostic path and the final data recovery outcome.
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Secure what you can — but do it wiselySee the key symptoms, practical first steps and a safe recovery path explained in this article.
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External drive disconnects while copying — causes and next stepsWe show how to plan backups and reduce the risk of data loss at work and at home.
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RAID degraded/offline — what not to do before handing it over to a laboratoryWe explain business storage failure symptoms and the safest first steps before recovering data from servers, RAID or NAS.
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SSD not detected in BIOS — safe next stepsSee how to recognise SSD or NVMe failure and why improvised actions can reduce the chance of successful recovery.
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TRIM and deleted files on SSD — can they still be recovered?See how to recognise SSD or NVMe failure and why improvised actions can reduce the chance of successful recovery.
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Flash cards and USB drivesA practical guide to safe data recovery from flash media, memory cards and USB devices.
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CFexpress, XQD and CFast data recoveryA practical guide to safe data recovery from flash media, memory cards and USB devices.
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Data recovery for photographers and filmmakers — Warsaw (CFexpress, XQD, SD, RAW)A practical guide to safe data recovery from flash media, memory cards and USB devices.
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Data recovery in Legionowo, Jabłonna and TarchominSee the key symptoms, practical first steps and a safe recovery path explained in this article.
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Recovery from physically damaged DVR/NVR drivesWe explain drive failure symptoms, common mistakes and the safest first steps before data recovery begins.
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Data recovery in Warsaw — BiałołękaSee the key symptoms, practical first steps and a safe recovery path explained in this article.
- WD My Passport NVMe data recoverySee how to recognise SSD or NVMe failure and why improvised actions can reduce the chance of successful recovery.
- Data recovery case studies — real-world scenarios and proceduresA real laboratory case: failure symptoms, diagnostic path and the final data recovery outcome.
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