Commonly people walk into our company and ask; what really caused my hard disk to stop working right or how come I cannot view any of my files on my computer? All these do not come new any longer whenever a customer brings in their storage devices for lost data recovery service

Samsung hot swap is one common and important  method to repair samsung damaged hard drives.  In order to perform one Samsung head swap, you need to find one donor samsung hard drive with donor PCB

There’re mainly four chips on a hard drive’s PCB and this article will give you an general idea of where they are and what they do.

Motor spindle issues are very common recently with high capacity drives, specifically any drive over 250 GB is prone to suffer such a situation. These problems usually occur after a sudden or sharp shock inflicted to a drive while it is in motion, it can also occur while the drive is not in motion, it usually occurs on external drives that are accidently knocked over a desk or hit and kicked by mistake, in other words human error. We are at Helpdisc Greece encounter these cases quite often; clients usually come in with a weird look on their face “I dropped it” can we fix it

This article tells how to use HD Doctor for Toshiba/Fujitsu to unlock Fujitsu hard drives. When you connect the locked Fujitsu hard drives to HD Doctor for Fujitsu, you will find that the field of LBA displays the drive as locked status by showing ‘HDD is locked.’ Note: For Fujitsu SATA drives, users are required to use dedicated IDA to SATA adapter to connect the drive with the HD Doctor’s IDE interface. After above step and preparation, you need to connect the command lines to the fujitsu drives as the picture indicates below and then you can enter the HD Doctor software operation interface, enter the Tcommod, power on the hd doctor you will receive one message from the command box ‘bootup from sa code’.

HDD malfunctions are frequently caused by damage to drive controller board.

When you are going to use PC3k in its command mode to repair Segate hard drives, you need to find the following information useful to indentify the parameters for SA objects. Information in this section is necessary when automatic identification of locations during loader creation fails ; it can be used to determine the coordinates of objects for manually specified surface reading if you have to work with a HDD from a currently unsupported drive family using known and supported procedure of data reading from disk surface. To identify the parameters of drive startup, you have to switch the level of logging for execution of commands performed by the HDD.

Some Seagate drives based on Barracuda architecture can function both in COM and ATA terminal modes. Their list includes U5, Barracuda I – IV.

The service data version recorded to HDA can be found on the drive label.

It’s very important to understand the firmware structure when you are going to repair hard drives which are not detected due to firmware corruption. The following information is about the firmware architecture in HDD equipped with Parallel Flash. Service data in Seagate drives is recorded in base ROM of the processor chip on PCB, external ROM on the PCB (there may be none, then its role is performed by shadow ROM in the processor chip) and on the disk surface tracks