Coventry Data Recovery – Coventry’s No.1 Hitachi HGST Hard Disk Recovery Specialists

Hitachi Data Recovery

No Fix - No Fee!

Our experts have extensive experience recovering data from failed hard disks. With 25 years experience in the data recovery industry, we can help you through the minefield of recovering data that might otherwise be considered lost.
Coventry Data Recovery – Coventry’s No.1 Hitachi HGST Hard Disk Recovery Specialists

Software Fault £199

2-3 Days

Mechanical Fault £299

2-3 Days

Critical Service £795

1 Day

Need help recovering your data?

Call us on 0800 6890668 or use the form below to make an enquiry.
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Monday-Friday: 9am-6pm

With over 25 years of proven expertise, Coventry Data Recovery is the UK’s leading provider of professional data recovery solutions for Hitachi HGST hard drives. Whether you’re dealing with physical failure, firmware corruption, or logical damage, our experienced engineers and forensic recovery team can help recover your critical data swiftly and securely.


🔧 Our Hitachi HGST Data Recovery Services Include:

  • Recovery from all HGST desktop, laptop, and enterprise-class HDDs and SSDs
  • Recovery from single drives, RAID configurations, and NAS/SAN storage
  • Full cleanroom-based repairs for mechanically damaged drives
  • Logical and encrypted file system reconstruction
  • Advanced recovery from formatted, deleted or virus-infected systems

📈 Top 20 Selling Hitachi HGST HDD & SSD Models We Recover From

  1. HGST Ultrastar He10 (10TB, 12TB)
  2. HGST Ultrastar DC HC510
  3. HGST Ultrastar DC HC550 (18TB)
  4. HGST Deskstar NAS 4TB
  5. HGST Travelstar 5K1000
  6. HGST Travelstar Z7K500
  7. HGST Travelstar 7K1000
  8. HGST Deskstar E7K1000
  9. HGST Deskstar 7K4000
  10. HGST Ultrastar 7K6000
  11. HGST Ultrastar C10K1800
  12. HGST Ultrastar 7K2
  13. HGST SSD400S.B
  14. HGST SSD800MM
  15. HGST SSD1600MM
  16. HGST HUS726T6TALE6L4
  17. HGST HTE721010A9E630
  18. HGST HTS545050A7E680
  19. HGST HUS724040ALE640
  20. HGST SN100 NVMe PCIe SSD

⚙️ Supported Interfaces

We recover data from HGST drives using the following interfaces:

  • SATA
  • PATA (IDE)
  • SAS
  • SCSI
  • NVMe
  • PCIe
  • U.2 / M.2
  • eSATA
  • Fibre Channel (FC)

💡 Supported File Systems

  • NTFS, exFAT, FAT32
  • HFS+, APFS (macOS)
  • EXT2/3/4, BTRFS (Linux)
  • UFS, ZFS (Unix, FreeBSD)
  • VMFS (VMware), XFS

⚠️ Top 30 Hitachi HGST Drive Faults & Technical Recovery Methods

  1. Mechanical Failure
    Symptoms: Clicking or buzzing sounds
    Recovery: Drive disassembled in cleanroom; heads replaced using identical donor; platter alignment verified using head-mapping tools.
  2. Head Crash
    Symptoms: Grinding noises, unreadable sectors
    Recovery: Damaged heads removed, new read/write heads calibrated and aligned, then drive cloned sector by sector.
  3. Platter Damage
    Symptoms: Surface scratches, unreadable tracks
    Recovery: Heads temporarily lifted; imaging performed with adaptive skip logic to recover readable data zones.
  4. PCB Failure
    Symptoms: No spin-up, visible chip burns
    Recovery: PCB replaced with donor board; original ROM chip transplanted to retain microcode and adaptive data.
  5. Firmware Corruption
    Symptoms: Drive not identified or shows wrong capacity
    Recovery: Service Area modules accessed and repaired using PC-3000 or MRT Pro; translator rebuilt.
  6. Logical Corruption
    Symptoms: Files missing, inaccessible partitions
    Recovery: File system rebuilt from metadata structures (MFT, superblocks); raw recovery used when headers are damaged.
  7. Bad Sectors
    Symptoms: Slow read, system hangs
    Recovery: Imaging via hardware imager using time-controlled retries; partial data reconstruction from good blocks.
  8. Drive Not Recognised by BIOS
    Symptoms: No detection in BIOS
    Recovery: Terminal commands or firmware loader used to initialise and gain access to SA for recovery.
  9. SSD Controller Failure
    Symptoms: No response from SSD
    Recovery: Chip-off NAND recovery; ECC correction algorithms used to rebuild virtual page layout.
  10. NAND Wear / SSD Degradation
    Symptoms: Frequent errors, unreadable data
    Recovery: Access raw flash dumps; rebuild logical blocks; match FTL mapping with ECC.
  11. Drive Freezes on Access
    Symptoms: OS hangs on mount
    Recovery: Imaging through unstable drive with sector timeout limiters; post-processing of partial images.
  12. Partition Table Loss
    Symptoms: “RAW” drive status in Disk Management
    Recovery: Signature-based partition reconstruction using partition table analyzers.
  13. Accidental Formatting
    Symptoms: Clean volume with no files
    Recovery: Rebuild file system using residual metadata; undelete via signature carving.
  14. Accidental File Deletion
    Symptoms: Recently lost files
    Recovery: Metadata recovery using journal entries; orphan files re-linked manually.
  15. BIOS Misidentification
    Symptoms: Incorrect model/serial shown
    Recovery: Correct firmware modules uploaded to restore true identity; adaptive translation recalibrated.
  16. Overheating / Thermal Shutdown
    Symptoms: Drive disconnects after prolonged use
    Recovery: Thermal imaging and staged data acquisition under regulated cooling.
  17. Firmware Bug (e.g. Translator Error)
    Symptoms: SMART ok but no LBA access
    Recovery: Translator regenerated; SA modules repaired using specialised scripts.
  18. PCB ROM Corruption
    Symptoms: Partial power-up
    Recovery: Hex reprogramming of ROM dump to correct CRC errors.
  19. Power Surge Damage
    Symptoms: Burn marks on controller
    Recovery: Replacement of power regulators and diodes; transient suppression re-established.
  20. Click of Death
    Symptoms: Repeating click pattern
    Recovery: Cleanroom head replacement; imaging with adaptive retry strategy.

21–30. Other Critical Failures

  • Encrypted Volume Recovery
  • Interrupted Clone Recovery
  • SAS RAID Member Failure
  • Hybrid Drive (SSHD) Cache Misalignment
  • NVMe Boot Failure
  • ZFS Pool Corruption
  • SMART Threshold Tripping
  • VMFS LUN Partition Loss
  • Firmware “Busy” State Loop
  • Cross-Linked File System Errors

Each issue is tackled using manufacturer-level diagnostic tools and a combination of logical, electronic, and physical recovery techniques specific to HGST technology.


Why Choose Coventry Data Recovery for Hitachi HGST Drives?

  • In-house ISO-certified cleanroom
  • Full support for SSD, HDD, and hybrid drives
  • 25 years of success with personal, SME, and enterprise clients
  • Advanced micro-soldering and NAND chip-off expertise
  • 2–4 day standard service; 48-hour emergency turnaround

💬 Contact Us for a Free Diagnostic

If your Hitachi HGST hard drive has failed or is showing early warning signs, contact Coventry Data Recovery today for a no-obligation diagnostic. We specialise in recovering from the most complex hardware and firmware faults with industry-leading success rates.

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