How to replace a hard disk within a second

Hard disk, are the most computer hardware problem And laptop hard disks fail more often than desktop Hard Disk. If you knock hard or drop your laptop even a few inches while it’s working, you may damage the Hard Disk.

Here are the step of hard disk replacement:-

Data backup: If your hard drive is still working, make sure you make recovery disk or image by using backup or recovery software. If your drive has already failed, hopefully you have your important files saved somewhere as backup.

Obtain a new hard drive. Make sure you have the right type of hard drive for your computer depends on motherboard capability and physical size.  You will need to check what your motherboard supports to make sure you have the correct replacement drives.

In physical sizes. Hard drives may either come in a 2.5 inch or a 3.5 inch form factor now. 2.5 inch drives were mainly used in laptops while the 3.5 inch drives were used in desktops Some computer case manufacturers are including 2.5 inch hard drive cages in some of their newer designs.

But note that-

If you are planning to replace a 3.5 inch drive with a 2.5 drive, make sure your computer case has support for it, or you may need to purchase an adapter kit.

Take precautions when touching electronic components. Improper handling of electronic   components can cause damage to computer parts during handling. 

Open the computer case. 

Locate the existing hard drive.

Remove the hard drive.

Do this step only if you have a IDE hard drive. 
Install the hard drive by sliding the drive into position:- here replace in the same position as the original drive position. 

If you are replacing your primary hard drive, you will either need to reinstall your software or use recovery disks:- Operating System installation like Windows, Mac, or Linux may be needed you don't recovery image or disk Installing an operating system like Windows, Mac OS or Linux may be needed if you do not a recovery image or disk.