01223 828800

Ickleford manor, Turnpike Lane, Hitchin. SG5 3XD

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MJM data recovery

Business Hard Drive Recovery Services

Desktop hard drives Laptop hard drives External hard drives CNC hard drives EPOS hard drives

0800 072 3282

Hard Drive Recovery Services for Business & Enterprise

We provide advanced data recovery solutions for enterprise desktops, laptops, servers, and external drives, covering Windows, macOS, Linux, UNIX, and other operating systems. Our services are tailored for IT managers and organisations requiring secure, compliant recovery workflows.

If you have lost data from your hard disk drive, or if it has stopped working, or making clicking noises, we can help. We have been recovering data since 1999 and have the equipment to recover from any failure. From deleted files to platter swapping in our class 100 clean air systems.

Enterprise Hard drive Recovery

Established in 1999, we bring over 25 years of enterprise-focused recovery expertise. Our reputation extends internationally, with a significant share of projects referred from other recovery providers or IT consultancies seeking second opinions on complex cases.

Cleanroom Drive Handling

Our Class 100 cleanroom facilities are designed for enterprise drive handling where contamination control is essential. This enables us to restore functionality in cases of head or motor failure and perform controlled platter transfers. All interventions are logged to support IT compliance and audit requirements.

Electronics Handling

At our electronics bench, we restore critical components and replace failed circuitry. This service is designed for enterprises that require secure, audited handling of sensitive storage devices.

We stock numerous replacement components for all hard disk drives, SSDs and other associated components.

Firmware Restoration

We resolve complex firmware issues such as locked system areas and inaccessible zones. Each intervention is documented to ensure process transparency and compliance with enterprise IT policies.

Logical Data Issues

We address logical-level problems such as deleted files, formatted drives, and corrupted file systems. Our recovery workflows are aligned with enterprise continuity requirements and data protection standards.

Other problems

  • Head crash
  • Dead drives
  • Motor problems

Hard drive fault analysis


“Before doing any data recovery work, the exact cause of the problem must be known and understood.

If the diagnosis of the problem is incorrect, then it is unlikely that the data will be recovered. This must be the first and most important stage of the data recovery process.”



Mike Montgomery
Managing director

Physical examination

The drive is physically examined to look for signs of external damage that may have caused internal damage.

Electronics testing

We examine the electronics boards, making note of any obvious failures. We also test the PCB under low voltage to locate any short-circuits. Any failed components are either replaced, or we copy the unique information stored in ROM to a known working PCB and attach that to the drive. With some moden hard drives, board replacement is not possible, so processor replacement is carried out in these cases.

Cleanroom analysis

For hard drives that are reported as making unusual noises, the heads, and motor are tested to make certain that they are working correctly. Heads are examined under a microscope to determine if there is any contamination caused by a head crash. The platters are cleaned and head replaced if any contamination is found.

Firmware analysis

Once repairing the drive is complete, we back up the current firmware zone and make modifications in order to get the drive into a working condition.

Other analyses

In some cases, we have to use advanced diagnostic equipment to pinpoint a fault. This equipment included Lecroy Disk Drive analysers – very fast oscilloscopes in the GHz band. Bus analysers and JTAG equipment to examine the protocol at the interface between the hard drive and the computer to determine errors during drive start up.

Problem solved

Deleted files

If you have deleted files or folders. We can usually recover them. Do not use your computer as there is a chance that the data you need will get over-written.

Formatted hard drive

Again, we can usually recover most of the data. It will depend on the size of the files and level of fragmentation.
Do not use your computer or install a new operating system.

Hard drive clicking

Usually indicative of a head fault, we can replace the heads with new ones to recover the data. Do not power up the drive once you hear clicking, phone us to get a quote for data recovery.

Cant open files

This is normally caused by bad sectors in the area where the file or folder is stored. The computer may freeze during any attempts to read. Do not run check disk or any data recovery software on the drive. This type of software is not designed to work with bad sectors.

Missing folders

This problem usually happens when the file system becomes corrupted. We can often recover by identifying the cause within the file system, then by making modifications and copying the data to a new hard drive nearly always results in a good recovery.

0 Length files

We can usually recover from this type of problem. However, it is time-consuming as we need to find the missing data on the drive and get it into the correct order. We have done this, several times. One of our customers lost an exchange database, which we recovered in its entirety, but took three weeks.

What about DIY recovery?

DIY recovery exposes your data to risk.

If the data has value, you should contact a data recovery company for a quote before attempting to recover it yourself, you can talk to one of our engineers on 01223 828800, or get a quote here.

If you do decide to do it yourself, then make a clone of the drive and work on that. The cloning process will give you an indication of how serious the problem is. If the drive starts clicking, the cloning process slows down, the computer hangs, or anything else happens during the process, then contact us.

If you intend to use data recovery software, then never install it on the hard drive you are trying to recover. This may end up with overwritten data, especially if you are looking for deleted, formatted or missing data.

Remember, if the data is mission-critical or of sentimental value, it is better to contact a professional data recovery company.

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