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Case Study: HP Pavilion Laptop Data Recovery After Windows 11 Upgrade

The Problem

A client upgraded their HP Pavilion laptop to Windows 11, only to discover that all their data was missing after the installation. The system appeared to have undergone a fresh install, wiping out documents, photos, and critical personal files.

With no backup available, the client required an urgent data recovery solution to restore their lost files.

Our Expertise in Windows 11 Data Recovery

With 25 years of experience, our team specializes in:
✔ Recovering lost data after Windows upgrades & reinstallations
✔ Rebuilding lost file structures using forensic recovery techniques
✔ Restoring RAID-like data fragments in NTFS, FAT, and exFAT file systems

Diagnosis & Recovery Process

Upon receiving the HP Pavilion laptop, our engineers performed a detailed analysis to determine the root cause of the data loss. The key findings included:

  • Windows 11 Overwrite Issue – The upgrade process had reformatted partitions, making the previous file structure inaccessible.
  • Lost User Profile & File System Reset – Windows 11 did not migrate user data, treating the installation as a fresh OS setup.
  • Potential Data Retention in Unallocated Space – Deleted files were still recoverable before being overwritten.

To successfully recover the client’s data, we implemented a multi-step forensic recovery strategy:

Step 1: Disk Imaging & Data Preservation

  • Created a sector-by-sector clone of the laptop’s storage to prevent further data loss.
  • Ensured no further writes occurred to the drive to maximize recovery success.

Step 2: Deep File System Scan & NTFS Recovery

  • Used advanced forensic data recovery tools to scan for deleted partitions.
  • Identified and reconstructed missing user profile folders, including Documents, Pictures, Videos, and Downloads.

Step 3: Data Fragment Reassembly & RAID-Like Recovery

  • Applied data recoding techniques to reconstruct fragmented files left in unallocated space.
  • Used forensic file carving methods to extract lost Word documents, Excel sheets, and multimedia files.

Step 4: Data Integrity Verification & Secure Transfer

  • Conducted a full file integrity check to ensure all recovered data was functional.
  • Transferred successfully recovered files to an external storage device for the client.

The Result

We successfully recovered over 97% of the client’s lost data, restoring critical documents, personal files, and media content. The client was able to resume work without permanent data loss.

Why Choose Us for Windows 11 Data Recovery?

✅ 25 Years of Expertise – Specialists in Windows upgrade failures and missing data recovery.
✅ Advanced Forensic Recovery – Extracting lost files from formatted or overwritten partitions.
✅ High Recovery Success Rate – Even when data appears permanently erased.
✅ Fast & Secure Process – Ensuring minimal downtime and 100% data confidentiality.

If your files disappeared after a Windows 11 upgrade, contact our expert data recovery team today for professional assistance!