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Complete Parts and Function of Computer Keyboard

BELOW ARE THE MOST PARTS AND FUNCTIONS OF THE COMPUTER KEYBOARD THAT COMMONLY USED. A computer keyboard is used to enter commands of...

Seagate Hard Disk Drive Parts and Functions- Data Recovery

HDD_Parts


Hard Disk Drive works very importance of the computer users, it works as a primary storage of computer systems including the servers and CCTV cameras. It's a metal made of Ferromagnetic Materials, the main purpose is to provide permanent data stored in platter disk.



For data recovery it is important to know the major parts of Hard Disk Drive parts and functions. The hard disk drive has different manufacturing. Meaning there is variety or type of HDD according to its manufacturing. Like SATA (Serial Advance Technology Attachment) and PATA (Parallel Advance Technology Attachment) and the new type is the SSD or Solid State Drive that uses microchip for stored permanent data. Common manufacturing is the Seagate, Maxtor, Samsung, WD or Western Digital, Hitachi, and IBM.

THE DIFFERENT PARTS AND FUNCTION OF SEAGATE HDD

  1. SPINDLE MOTOR- Its a high and small precision electric motor that provides rotation of the shaft and the platter commonly 7200 RPM.
  2. READ/WRITE HEAD- Its a magnetic material located at the tip of the actuator, position at the top and bottom. This will depend of the number of platters through the capacity.
  3. ACTUATOR-  Also provides the permanent movement and start of HDD head read/write assembly.
  4. CIRCUIT BOARD OR PCB- Are the logical components that allow the electricity to pass-on to the various components so that the hard disk works logically. The parts of the HDD PCB are the connection interface that provides connection between motherboard and HDD, its connection type either SATA or PATA, In PATA it has a part called a jumper, you can configure your HDD either MASTER or SLAVE. And the power supply connectors that provide a connection between Power Supply Unit and the HDD to provide standard voltage like 12, 3.5, 5 voltages.

Note: Due to the common error of hard disk drive, like the common error of clicking sound commonly on External drives, it is prohibited to open the drives in not clean room environment. You can only open it in a free of dust room. If you open this without using this clean room or clean air cabinet. Doing this will result of a permanent lost of data on your HDD.


If you encountered a major error or damage of your HDD you need to bring it to the Professional Data Recovery Center for the total retrieval of your data.

If you have questions and comments leave it below.


USB FLash Drive Files Are Hidden, How To Unhide Using Command Mode

USB Flash Drive
USB Flash Drive partially full


Have you encountered a problem of your USB flash drive after you inserted in your computer all the files are hidden. You may unaware why there are no files, but the drive is full

USB_Drive_Files
But empty when it open

There are many cases of USB flash drive files like this, these may cause of viruses or malware on different computers where you inserted your drives for downloads and saving files. Then the computer automatically scans your drive for viruses, but after all the files are hidden. This post may help you to solve this USB drive problem.


HOW TO CHECK:

  1. Just insert your USB flash drive in your computer port.
  2. Open the computer icons and see the drive of your USB.
  3. If your USB is full or not empty, open it by double clicking or right click to open.
  4. But there are no files available all files are hidden.

PROCEDURE HOW TO UNHIDE ALL FILES 

CMD
1. Click the start button on your desktop or press the Windows key.
2. Type CMD on the search bar just in the above of start button.
3. Right click the black icon of CMD.
4. Then click "Run as administrator". 
5. When prompted yes or no, just select "YES".

DOS_Command
6. A black screen will display on your desktop, a command line will appear and the keyboard cursor will blink, just type the command attrib *.* -h -s /s /d then hit the enter key.
7. You will see the keyboard cursor will move down and blinking, Wait until all files is unhide.

Hidden_Files



8. If you will back on the command line or the USB drive the process is finished and all your files is unhide. See the image above here.




USB_Drive
9. And check your USB Flash drive in your My Computer Icon. Open the USB drive and you will see that all files now is unhide. You can delete all the files that you cannot recognize.

To avoid this USB flash drive files problem, do not insert your drive in the computer that you don't know. If you want to, just check if there is any virus scanner to protect your USB drive. Then you can proceed to use your drive in any file came from download or from your application. Just leave your comments below.

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