Remove hard drive from the computer
Firstly, you have to shut down your computer, and switch the power off. Then, remove the hard drive from its place using a screwdriver. It’s very easy to remove the hard drive, but do it carefully to avoid any damage. You will need another computer similar to first.

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Install the hard drive to another computer
Now, it’s time to open another computer. Fix the removed hard drive as an additional drive for the second computer. The work becomes easier if the drive is of serial advanced technology attachment type. You just connect it to the computer with a SATA connection. However, the whole process becomes difficult when the drive is of ATA type that is not serial. For such hard drives, remove the CD or DVD drive and attach the hard drive to the computer using the optical drive connection. Supply the power of an open power connection by the plugs present on the hard drive.
Start the second computer
After the above process, start the computer. You will see an additional drive on the window that shows drives present on the computer. If it shows the additional hard drive, then it means you did a good job accurately. Finding the icon of the additional hard drive is half of the process.
Install file recovery software
The main work begins here. Now, you will need file recovery software to recover the files. You have to install this software; this is why you need another computer. The use of another similar computer is to install file recovery software and to run through the hard drive.
Run the file recovery software
The last step of the process is to run the installed software. Choose the additional hard drive when the software asks for a drive to scan. The process of scanning may take several hours to complete. After the completion of scanning, the software will show a list of recovered files. Choose required files from the list, and copy them on any CD, DVD or drive.
Fix the hard drive at its place
Finally shut down the computer, remove the hard drive, and fix it at the right place, i.e., at its place on the first computer.