Hard Drive Failure

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Hard Drive Failure 

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Hard Drive Failure.

Whatever the reason your hard drive has failed Datlabs data recovery technical team have successfully recovered one like it many times before. We recover data from all  hard drive failure conditions. Solid State Drive (SSD) or  Hard Disk Drive (HDD)  from Western Digital, Seagate and Samsung;  we have the expertise, tools and facilities to remedy faults and restore access to your data.

Common Hard Disk Drive  Faults.

Hard Disk Drives contain moving parts and sensitive electronics that make them susceptible to failure. Common failures include:-

  • Logical Failure, corrupt file system data
  • Electronic Failure, PCB + connector damage
  • Firmware Failure or corrupt drive operating code
  • Media Degradation, magnetic platter surface damage
  • Mechanical Failure or moving part component failure

Hard Drive Logical Failure

If your computer shows a “Blue Screen Of Death” or a grey folder Icon on your Mac then your hard drive may be suffering a logical failure.  A logical  fault  occurs when the file  system that defines where data is stored on a Hard Drive  has become corrupt and files cannot be viewed.

Hard Disk Drive Bad Sectors

Hard disk drive corrupt magnetic recording media  is termed “bad sectors.”  Symptoms to look out for include; a gradual slowing of the system (takes longer to open programs than usual), difficulty in saving/transferring data from one device to another, occasional computer crashes when attempting to complete a task. Corruption or poor read responses can be as a consequence of  worn and or weak read write head transducers that once substituted  for a good assembly may produce better read results.  Substituting read write heads can often facilitate the recovery of your precious data.

If at any point you are able to make a copy of your critical data to another storage device then do this as soon as is possible.

Hard Drive Electronic Faults

Hard drive electronic failures are usually a consequence of a power surge, use of an incorrect voltage power cable or overheating. The symptoms that accompany a hard drive with an electronic failure include, no noise or attempt from the hard disk to power on, burning smell emanating from the device. If the hard disk does absolutely nothing at all then there is usually a fault with the printed circuit board which means the power is not reaching the required components. If you have a burning smell coming from the hard disk then it is likely that one or more of the protective components have blown. Both of these failures are situations where data is usually fully recoverable but specialist work is required on the printed circuit boards and in some cases a transplant of circuit board is required.

Hard Drive Firmware Failure and Corruption

A hard drives firmware module can be thought of as its own operating system that  controls how the hard disk behaves. If  your hard drive isn’t making any unusual noises,  will not boot or is not recognized by the BIOS,  then it potentially has a firmware fault. A hard disk drive suffering from a firmware fault remains in a busy state. A computer device will only recognize a hard disk drive when it is in a ready state. Recovering data from hard a drive with a firmware failure can be achieved with the necessary remedial equipment, tools and knowledge.

Hard Disk Drive Stiction

The term “stiction”refers to a condition whereby the read write head ceramic has become welded to the surface of the hard disk platters. This can be caused by the equilibrium of the heads being disturbed and then contacting the platter surface, overheating and literally sticking to platter. A drive suffering from stiction will commonly emit a faint beeping sound caused by the motor failing to rotate when the power is applied at start up. Recovering data from a hard disk suffering from stiction generally means releasing the heads cleaning the debris from the platters and replacing the  read write heads. Results are however sometimes inconclusive and further advanced techniques need to be attempted to affect a recovery.

Hard Disk Drive Mechanical Faults

A hard disk drive suffering from a mechanical failure will be either dead due to motor failure or will be making a distinctive clicking or ticking sound. This clicking sound is due to the hard disk drive head actuator moving the assembly to the co-ordinates of the first recording track, the read heads failing to read any control data and then returning sharply to the park position.  A number of re-tries generally follow which results in the ticking sound. this failure to read is symptomatic of a hard drive faulty read write head assembly.

The process required to recover data from a failure of this type involves dismantling the hard disk in our clean room environment, extracting the faulty components and replacing them with working donor components. Once these processes are complete we then need to place the device on specialist data recovery hardware in order to generate an image of the faulty device onto a stable drive.

SSD Failure and Data Recovery

Solid state digital data storage products are now standard fit for slim line computer products.  SSD’s  are inherently less prone to misuse than hard disk drives as used in similar circumstances.   SSD failure is generally confined to discrete component failure, storage cell and service area corruption.

Recovering data from a faulty SSD is  more of a feast or famine process exacerbated by a lack of standards. With poor standards definitions Datlabs technicians must treat each recovery as a unique case needing specialist techniques and knowledge  involving the specific model they are working on. These specialist requirements add time and complexity to our procedures which unfortunately add to costs.

Datlabs Data Recovery from Failed Hard Drives

In the industry we use the term hard drive data recovery to describe the process of retrieving data from a failed or faulty hard drive. The faulty hard drive operational functionality is re-established, the raw data structures are extracted and transferred to a reliable environment. The retrieved  data is then tested before being transferred to a another hard drive and returned to its owner. The fault type determines how to proceed with the recovery of your data.  Datlabs technicians firstly  inspect the hard drive in order  to evaluate the fault condition/s affecting your hard drive. Once the diagnosis procedure is complete, an evaluation report will be prepared detailing the hard drive failure condition, the remedial  work necessary to attempt the rebuild of your hard drive and also the possible retrieval of your data. The report will where practicable also indicate the timescales necessary to complete the work and any extraneous charge. For more information relating to faults and symptoms please read below.

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