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Data Recovery - What Can and Cannot be Recovered

Data recovery has become a simplistic and
common process. There are two ways of2. Logical Data Retrieval which refers to the
initiating  data  recovery:rebuilding of lost data files. This type of
data recovery becomes necessary when there is
1. The first method is to do it yourself. Youdisk overwriting, reformatting and virus
turn on your computer and discover that thecorruption.
photographs you took on your holiday have
been lost. It's about time to think logicallyAccording to data recovery agency, Disklabs,
- either they have been overwritten or thereusually photographs and pictures including
has been surface contamination. In othergraphic material can be retrieved using
cases, natural or man-made disasters likephysical data recovery methods. Usually nine
floods and fires may destroy important data.out of every 10 photos are recovered in their
If you are an inexperienced computer user,original format. However, when database files
then it is always advisable not to use yourare lost, retrieval is impossible. The
limited knowledge and try to reboot yourexperts at Disklabs claim that only 1% of
computer to retrieve your data. But, on thedatabase files are retrievable. In case of
other hand if you do boast of considerabletotal data loss owing to natural disasters of
computer expertise, you can retrieve yourfire and floods, experts recommend the
data using any data recovery tool availableinstallation of a backup drive away from the
on  your  computer  desktop.  This  involves:place of everyday use. Disklabs further
argues that many universities and
-  Install  the  data  recovery  toolmultinational corporations document vital
information reducing sole dependency on
-  Disconnect  your  computerdigital  media.
- Install a new drive to save the retrievedOther data recovery firms advocate the
datainstallation of a data recovery tool called
Scavenger version 3. The advantage of using
- Have a licence to run the data recoverythis tool lies in its function to scan an
toolentire hard drive looking for corrupt and
defunct volumes, partitions and spots. In
2. The second most common method is to callthis regard this tool is extremely good for
in the data recovery specialists. This isnovice users as it enables them not to lose
usually the case when you are unsure as tonew data while scanning the hard drive
the cause of data loss. Data recoveryretrieving lost data. It is better than the
agencies can recover 90% of your lost data,computer desktop utility of CHECKDISK. But
provided  the  loss  is  due  to:this data recovery tool cannot retrieve data
entangled in the mesh of magnetised layers on
-  Accidental  deletion  of  the  datathe hard drive. Here, it becomes important to
be aware of the time frame and cost of
-  Overwritingretrieving such data. Usually, experts using
data recovery tools of Easy Recovery, Data
-  Disk  corruptionRecovery and Data Advisor, state that it
takes more than a working week to retrieve a
- Reformatted, deleted volume or diskmere .5% of the actual data. A prime example
partition  containing  dataof data recovery can be seen at company
Hewlett Packard which used its own
- Partially damaged disk with bad spotstechnicians to retrieve a database file of
caused by exposure to natural elements suchemployee records. In contrast, technicians at
as  heat,  light,  water  and  dustInfoUSA failed to retrieve vital editing
material. In addition, they were unable to
Data can be recovered from digital mediastop new data from being lost. As a result,
files, memory sticks, ZIP files, hard drives,an  entire  database  file  was  lost.
floppy diskettes and flashcards. Usually data
recovery specialists can retrieve data byIt is very important to note that full data
using  two  methods:recovery is not possible. However, more than
95% of raw data can be recovered provided
1. Physical Data Recovery which meansnecessary steps to ensure recovery are
retrieving the raw data from a damaged diskundertaken in time. It simply does not do to
caused by a virus attack, operator systemwait for a few days before contacting a data
error or a natural disaster such as firerecovery specialist agency. If you can't do
which  may  lead  to  surface  contamination.it, call them right away.



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