How Data Recovery Works

Losing your valuable data, either by damage to yourdrive, making it easier to make sense of and restore
computer or accidental deletion, is an upsettingwritten-over data.
situation. Whether the lost files contain sensitiveOnce the data has been restored from the drive, the
personal information, treasured photographs, or datadata recovery service checks to make sure the files
for your small business, the loss can be devastating.they have recovered are complete. Again, they can
Your data doesn't have to stay lost, however. Datause old tables of contents from the hard drive to
recovery services specialize in restoring files thatcheck for holes in the files. Once they have ensured
most people wouldn't think would be recoverable.that the data is all there, they will back it up to CDs
Keep reading to learn how data recovery servicesor another storage medium, and send it back to you.
work.Data Recovery Service Alternatives and the Risks
Why Data Recovery is PossibleInvolved
The files stored on your computer are all writtenThere are many data recovery software packs
onto the hard drive, which consists of thin, roundavailable online. These may be pretty tempting, but
platters coated with a shiny magnetic data storageremember that depending on what you need done,
medium, much like the shiny coating on the thinthey may or may not satisfy your needs. And even
ribbons contained inside VHS and cassette tapes. Justif software can fix your problem, using them without
like in a VCR or a tape player, a head inside youra professional's guidance may inadvertently create
computer's hard drive reads and writes the data ontomore problems, not only ensuring that you will have
the magnetic storage medium.to use a data recovery service, but also creating
When you delete a file on your computer, it is notmore work for them (and therefore a higher price
actually erased from the hard drive. The hard drivefor you).
simply changes the marker on that space fromA common type of data recovery software is
"occupied" to "vacant." The data itself is still there"undelete" software, which enables you to restore
until it is written over. Think of it as a home videofiles that you have accidentally deleted. However,
that you have decided you don't want anymore. Untilremember that when you delete a file the hard drive
you actually tape over it, it's still there.marks it as available storage. In other words,
Even once data is written over, it can still be found.anything you do after deleting that file - whether
This is because the data that is written over it isdownloading undelete software, saving another file,
usually imperfect, leaving traces of the original file.or even just shutting your computer down as normal
With the proper tools, these traces can be located,- can overwrite the data, rendering it impossible to
deciphered, and - usually - reassembled into completerecover without a data recovery service.
files. However, the more times an old file isA way around this is to download the undelete
overwritten, the more difficult it will be to retrieve itsoftware to a separate drive, such as an external
- so the sooner you contact a data recovery service,drive or even a USB drive. Unless you know what
the better.you are doing, though, you should probably call a
What the Data Recovery Service Doesprofessional right away - the longer you wait, and the
When you contact a data recovery service, usuallymore you tinker with your computer, the more likely
the first thing they will want to know is how the filesyou are to create the need for major data recovery
you want to recover were lost. You might havein order to restore your deleted file.
accidentally deleted the files, or the data might haveAnother type of data recovery software is one
become corrupted. In a worst-case scenario, yourdesigned to find and/or fix lost or corrupted files.
hard drive might have sustained damage, rangingAgain, the hazard is that every piece of data you
from relatively minor damage such as hard drivewrite to the disk could overwrite the file you are
crash, to serious physical damage such as flooding ortrying to restore. Since the file is lost or corrupted,
fire. However, the data recovery service most likelyyou cannot trust that the hard drive will know not to
won't be able to give you a quote until they haveoverwrite it. Again, immediately contacting a
inspected the hard drive, so you will also need toprofessional is probably the best course of action.
drop off or mail your hard drive to them.Data Recovery Services Protect Your Important
Before the data recovery service begins work onInformation
your hard drive, they will make an exact copy of theBecause of the nature of a hard drive or another
drive. All work will be done on this copy, to avoidtype of memory storage, data loss is not necessarily
doing any more damage to the drive itself.permanent. An experienced data recovery service
Using the copy of the original drive, the datacan easily help you restore your valuable photos,
recovery service then uses a variety tools andfinancial information, or small business data. However,
techniques to try to recover the lost data. Everydon't forget that when your valuable data has been
hard drive creates a sort of table of contents at thedeleted, lost, or damaged, time is of the essence if
very beginning of the drive; by retrieving old tablesyou are to get it back: The longer your computer
of contents, the data recovery service can tellruns, and the more often it writes to the hard drive,
where the files you need would be located on thethe worse the situation gets.