What is HDD ?all about HDD...

A hard disk drive, hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that uses magnetic storage to store and retrieve digital data using one or more rigid rapidly rotating platters coated with magnetic material.

• What does HDD stand for?

hard disk drive

A hard disk drive (HDD) is an old-school storage device that uses mechanical platters and a moving read/write head to access data. A solid-state drive (SSD) is a newer, faster type of device that stores data on instantly-accessible memory chips

• How does an HDD work?

The hard drive contains a spinning platter with a thin magnetic coating. A "head" moves over the platter, writing 0's and 1's as tiny areas of magnetic North or South on the platter. To read the data back, the head goes to the same spot, notices the North and South spots flying by, and so deduces the stored 0's and 1's

• How much do hard drives cost?

Seagate Hard Drive Prices By Size

Drive     Size.       Model.                     Price TBST.     1000.      DM010.                 Rs .3348        TBS.     2000.      DM006.               Rs11,117  TBST.     3000.      DM008.              Rs12,255    . TBST      4000.      DM005.                

• How do I get my hard drive to work?

What to Do When Your External Hard Drive Won't Show Up

Make Sure It's Plugged In and Powered On. ... Try Another USB Port (or Another PC) ... Update Your Drivers. ... Enable and Format the Drive in Disk Management. ... Clean the Disk and Start From Scratch. ... Remove and Test the Bare Drive. ... Our Favorite External Hard Drives.

• Do all computers need a hard drive?

A computer requires an operating system to allow users to interact with and use it. ... To install a computer operating system, a hard drive (or another storage device) is required

• Why is my HDD not being detected?

When in doubt of data cable condition, replace it. ... The BIOS will not detect a hard disk if the data cable is damaged or the connection is incorrect. Serial ATA cables, in particular, can sometimes fall out of their connection. Be sure to check your SATA cables are tightly connected to the SATA port connection.

• Why is dropping a HDD a bad idea?

Any drop or knock can cause a head crash in your external hard drive, which means the read/write head of the external hard drive came in contact with the platters. Electrical surges, water damage, reformatting the external hard drive, and time can also lead to the external hard drive not working.

• Will HDD become obsolete?

At the Global SSD Summit, Samsung is pushing solid state drives as not just the technology of the future, but the technology that users need today to keep up with the speeds available wired and wireless technologies

• Can HDD be repaired?

The best tools to check and repair your external or internal hard drive using Windows. Using Windows' tools is generally the best method to check what state the drive is in; to use the tool CHKDSK from the control panel (Run menu). ... If the hard drive is inaccessible, TestDisk is a program that can repair it

• How do I check the health of my hard drive?

Open the Disk Utility and choose “First Aid,” then “Verify Disk.” A window will appear showing you various metrics related to your hard drive health, with things that are fine appearing in black, and things with problems appearing in red

• How do I detect my hard drive?

To check to see if this is the cause of the BIOS not detecting the hard drive, follow these steps:

Power off the computer.Open the computer case and remove the data cable from the hard drive. This will stop any power saving commands from being sent.Turn on the system. Check to see if the hard drive is spinning.

• Can you run a laptop without a hard drive?

A computer can still function without a hard drive. This can be done through a network, USB, CD, or DVD. ... Computers can be booted over a network, through a USB drive, or even off of a CD or DVD. When you attempt to run a computer without a hard drive, you will often be asked for a boot device.