Skip to main content

How Hard Disks Work

Complete disassembly of a hard disk.

A transfer and minor update from an article on our old website. This article does a complete disassembly of a hard disk drive describes each component and what heir function is.

Five separate interlinked sections describe

  1. An overview of the hard disk to be dismantled
    Gives a description of the drive and shows the difference between good and bad platters
  2. The Head Stack Assembly
    Shows each part of the head stack and describes their functionality within the drive.
  3. The Electronics PCB of the hard disk
    An brief explanation  of the functions of the PCB on a hard disk drive.
  4. The Motor
    How the motor is controlled and the bearing mechanics.
  5. The platters.
    Describes the manufacture of platters.


 The article can be found here. Disassembly of a Hard Disk

Comments

Post a Comment

Please leave a comment on this data recovery blog

Popular posts from this blog

Slow Reponding Toshiba Drives

Toshiba Laptop Data Recovery Some problems have been found with Toshiba Laptop drives where the computer will fail with any of the following symptoms .. The drive hangs during boot Unable to access data Computer is very slow Problem with Drives We found the problem which is related to the G-List ( Grown defect list )it either becomes corrupt or is not readable. If it is not readable by the drive then the correct translator algorithms can not be run and so the drive slows down or even stops completely. Solution to Toshiba Hard Disk Problem. The solution is very complex and requires specialist equipment to enable rebuilding of the defect maps externally to the drive. However, once this is achieved the data can be accessed and a near perfect recovery is possible. For more information on this problem please visit our Toshiba Data Recovery pages.
Post a Comment
Read more

Laptop Data Recovery

A large number of computers sold are laptop computers. They are light and portable. Modern laptops contain very large hard disks at the time of writing this article 500Gb are often seen here for data recovery. One of the most common problems we see are drives where the heads have crashed. The main cause is actually part of the design of the computer - remember the bit where I said 'they are light and portable'? It is easy to put the computer on your lap, then when you need to get up, lift the computer up and put it to one side. This movement can cause a head crash especially if the heads are reading or writing at the time. Most manuals that we have seen recommend putting the computer on a firm surface like a desk or a table and in fact NOT putting it on your lap - strange that they are called 'laptops' when it is not recommended to use them as such. Some manufacturers have developed hardware that detects when the computer is being moved and pulls the heads to a saf...
Post a Comment
Read more