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| taken from: http://www.datarecovery.net/i/misc/harddrive.gif |
When a
computer is running, the hard disk rotates its platter thousands times in a
minute, the read/write head moves forwards and backwards all the time, your
operating system opens many files for reading and writing.
When you turn
off the computer using the shutdown option in your operating system, it closes
all the files that it is using and ends its access to them and to your system’s
registry. And, the hard disk, positions its actuator arm at one side of the
disk.
These are
some cases wherein most computers are not shut down properly:
- When power outage occurs (intentional or not)
- When computer does not respond for several minutes even after using ctrl + alt + del
- When a user holds down the power button for several seconds (intentional or not)
- And, when we are just too lazy to turn off the computer normally and wait for it to shut down on its own.
What happens
then if your computer is not shut down properly?
Your computer
may not be able to finish reading or writing some system files in your hard
drive which results in corrupted files especially in your system’s registry. The
read/write head may have been resting on the hard drive’s platter while it is
turned off. When the computer is turned on, it will cause a scratch on the
platter and damage some of the stored data in your system.
Having a corrupted
registry files in your system may end up to a non-booting computer which will
cost you repairs and hardware replacement. The worst part is that you may not
be able to access all your files ever again. You will lose all your data!
While
shutting down your computer by pulling its plug may save your precious seconds,
shutting it down properly while save your company or your wallet’s health.
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