What are the chances of recovering the photographs?
 Question: I
accidentally deleted a 128 MB compact flash card, about six
weeks ago. What are the chances of recovering the photographs?
 Answer: Active@
UNDELETE supports the recovery from the flash cards.
It is not possible to predict a time like this in hours or days.
Microsoft Windows can overwrite a deleted file immediately if it selects the same data clusters.
Table 1 Common Causes of Data Loss
|
Cause
|
Chance |
|
Accidental removal of files and folders
and then emptying Recycle Bin |
~ 75% |
|
After physical damage of critical
sectors on HDD ("bad clusters") some drives become
unreadable |
~ 6% |
|
Loss of information due to a power
failure or power surge |
~ 5% |
|
Deletion of logical drive or partition
itself then recalling important data on it |
~ 3% |
|
Damage of MBR, Partition Table, Volume
Boot Sectors by virus |
~ 3% |
|
Other |
~ 8% |
To maximize recovery chances:
IF YOU HAVE AN EXTRA HARD DRIVE, OR
OTHER LOGICAL DRIVES THAT ARE BIG ENOUGH, CREATE A DISK IMAGE.
A Disk Image is a single-file mirror copy of the contents
of your logical drive. Backing up the contents of the whole
drive - including deleted data - is a good safety precaution in
case of failed recovery. Before you start recovering deleted
files, create a Disk Image for this drive. If you do
something wrong while recovering the files (for example,
recovering them onto the same drive could destroy their
contents), you still will be able to recover these deleted files
and folders from the Disk Image that you have wisely created.
PROTECT THE DRIVE LOCATION WHERE YOU
HAVE ACCIDENTALLY DELETED FILES!
Any program that writes data to the disk, even the installation
of data recovery software can spoil your sensitive data. If the data is really important to you, and you
do not have another logical drive to install software to, take
whole hard drive out of the computer and plug into another
computer where data recovery software has been already
installed.
DO NOT SAVE DATA ONTO THE SAME DRIVE
THAT YOU FOUND ERASED DATA, WHICH YOU ARE TRYING TO RECOVER!
While saving recovered data onto the same drive where sensitive
data was located, you can spoil the process of recovering by
overwriting table records for this and other deleted entries. It
is better to save data onto another logical, removable, network
or floppy drive.
DO NOT MAKE DISK DEFRAGMENTATION. You should not use any disk defragmentation utilities such as CHKDISK & SCANDISK.
The HDD sectors containing information of the previously deleted files can be overwritten with the new data.
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