A "hard disk" is inside your computer and stores all your programs, your music, your documents...everything. It is not a floppy disk or a flash drive, these are portable storage devices, the hard disk is a permanent storage device. Think of it as a giant file cabinet filled with file folders.
You open some folders are you can look at pictures, Open another folder and you can write letters. Open another file and you can play a game. When you are done with the game the file folder saves everything you've done and closes up and goes back into the fine cabinet or hard disk.
A hard drive has a life span of about five years, after that they stop working. If the hard drive fails you will loose everything stored on it, all your pictures, videos, music, anything and everything. If you understand so little about computers you will need to take your computer to an expert and have all the stuff on your hard drive copied to a storage device and the old hard drive replaced with a new one, and the expert will place all your old stuff on the new disk.
It's like moving stuff out of the old cabinet, placing it a temporary box, and buying a new cabinet and moving the stuff back into it. But since these files are all just ones and zeros, you need someone who understand what the ones and zeros mean to be sure it is all copied and restored correctly. Also ask the expert to give you a few lessons on weekly and monthly back-ups, why they are important and why they should be done and how to do them.
If the disk has failed then all is not lost, there' a way to recover most of what was on it by starting your computer using a "boot disk" on CD ROM or flash drive with Ubuntu, a type of operating system, again a computer expert will be able to help you with this. This will allow you to take all your important files out of the old disk and you can re-install them into the new disk. My computer guy called Ubuntu secret voodoo used to revive zombie hard drives.
Take this warning seriously, you are in danger of losing everything on your computer. http://en.wikipedia.org/wiki/Hard_drive_...
Sadly computer hardware these days is not designed to last. The message means that your hard disk drive is about to fail. The Hard Drive is where all your data and the computer operating system is stored so you need to urgently copy all of your important files off your laptop onto a DVD or USB Flash Drive as soon as possible.
If the drive fails you could lose all the data or find yourself paying a lot of money for data recovery. Don't delay, backup now!
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