Here are some examples of common data recovery cases we handle in our data-to-day operation. For a complete list of models and specific failures we can recover data from please visit our Supported models page.
Western Digital drive with burnt logic board (PCB) that doesn't spin up. You can try to use a donor PCB of the same model but the fact is that ROM chip on most WD families nowadays contains special parameters called adaptives that are unique for the particular drive and PCB cannot be just swapped without proper PCB adaptation. In reality, not only WD, but most modern hard drives have adaptives in ROM. This is because of higher density and very precise mechanics of today's technology.
Maxtor hard drive spins up fine, recalibrates, but identifies in BIOS with zero capacity by its factory alias(Calypso, N40P, Sabre etc) and as soon as you try to boot up or read data you get nothing but errors. This drive has corrupted translator. Translator is a part of hard drive firmware responsible for converting internal cylinder-head-sector addressing into OS-understandable LBA scheme. Without translator you will never get a single byte out of the drive. Using our tools we are able to access system area of the drive to fix translator and other firmware modules. In fact, hard drives of all manufacturers experience problems with translator. The symptoms are usually the same.
Laptop Toshiba drive of GAS or GAX family with damaged bearings. The motor is either stuck completely and makes slight ticking/scratching sounds: or it tries to spin up with loud grinding/whirring noise: . Normally most data recovery companies would try swapping platters into good working drive and this is one of the most difficult, thus more expensive jobs in data recovery. For this case we have our know-how technology that doesn't involve opening the drive and makes this kind of restoration fairly easy and therefore less expensive.
Hard drive with lots of bad sectors. Whenever you try to read data from such drive you the drive could freeze, scratch: or even start clicking: whenever hitting bad areas causing more and more damage. Imaging tools we use can quickly and carefully process timed out sectors and read bad sectors ignoring sector checksum - sometimes this can be the only way to pull out the data.
Drive making constant or intermittent knocking/clicking/clunking sound with spinups and spindowns: , , , , , , , . Usually this is a sign of damaged or crashed heads and it means the drive needs to be opened in a class 100 clean room environment in order to replace head stack assembly. This is a complex procedure that requires use of specialized equipment and a lot of experience. Don't try to open the drive by yourself - you could damage the platters making your data unrecoverable.
Seagate SCSI Cheetah drive is identifed correctly in BIOS but shows 0 capacity. As soon as you try reading sectors it gives nothing but Medium Error. This is a typical firmware corruption for Seagate SCSI. Our engineers can repair this problem using our specialized SCSI utilities.
This is a far from full list of possible hard drive problems we are able to take care of in our lab. Please feel free to contact us if you have any questions.
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