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Can RAID Systems Fail?
Technology, how we love it until something goes wrong and we end up yelling at our computer screens. If you’ve ever lost data, you know how much time, money, and headaches it can cost you to retrieve it, especially if you are a company. Data...
Computer Viruses - the basics
In its simplest terms a virus is a disruptive computer code
period! A computer virus almost always repeats itself and
spreads by attaching itself to other files. Viruses can be made
to host a number of harmful things on any computer...
Got Virus? Your data is NOT lost forever!
GOT VIRUS? Your Data is NOT lost forever! In the wake of so many computer viruses running wild, "Hope is not lost"! With the recent release of such viruses as: mydoom; netsky; mofei, lovegate and many more destructive viruses, there is an...
Protect Yourself Before Your Hard Drive Crashes
Almost everyone who has used a computer has experienced a hard drive problem at some point. Are you prepared to lose your data? If your hard drive crashes right now, do you have an action plan to follow?
Most people get complacent about...
What is data recovery?
Data recovery is the retrieval of inaccessible or contaminated data from media that has been damaged in some way. Data recovery is being increasingly used and is an important process nowadays. There has been a lot of progress in increasing the...
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Hard Dive Failure: What Is A Head Crash?
No one likes the thought of losing all of their valuable data,
but a hard drive head crash is a definite data destroyer. While
a recovery is possible in most cases, sometimes destruction of
the platters is so severe that the magnetic material is actually
wiped clean. There are cases every so often where the highly
reflective, mirror type finish, of a platter is completely
destroyed leaving what appears to be a clear piece of glass
behind.
A head crash occurs when the read-write head of a hard disk
drive touches its rotating platter. The head normally rides on a
thin film of moving air entrapped at the surface of the platter
(some drives of the mid-1990s used a thin fluid layer instead).
Higher capacity drives (using the same size and number of
platters) are obtained by running the head closer to the
platter. A tiny particle of dirt or other debris can cause the
head to bounce against the disk, destroying the thin magnetic
coating on the disk. Since most modern
drives spin at rates
between 5,000 and 15,000 revolutions per minute, the damage
caused to the magnetic coating can be extensive, as the crashed
head drags over the platter surface.
Depending on the extent of the damage, your data may be
unrecoverable. Regardless, it's important to leave the recovery
to a data recovery professional, or you may risk losing what
data is still available.
One thing to remember, if you feel that you have suffered a hard
drive crash, shut the computer off immediately. Do not reapply
power to the hard drive. The longer the drive operates with a
head crash, the more damage that is occuring and the more data
you are losing.
About the author:
Greg Duffield is the founder of ACS Data Recovery, a premier
provider of hard drive data recovery services. You can reach
them toll free at 1-877-646-0546 or on the web at http://www.acsdata.com
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