hello everybody in today's video i'm
going to show you how to recover data
from the hard disk of a network video
recorder hikvision the s7
t104
[Music]
hello friends if you need to recover
deleted data
view restore remove browsing history
admon software products
will help you follow the link in the
description download the necessary
program for free
install it and analyze the disk the
utility will show you the data you can
recover so you'll be able to view it or
get it back
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these days video surveillance systems
are becoming as standard not only for
offices and shops but also for
home-based systems when people want to
have more control over what's happening
inside their apartment or industry
while previously such systems were based
on computers
now the most popular choice are
autonomous dvr systems
which don't need any pc at all errors
failures or accidental removal of a
video from the hard disk of the video
recorder may become a very painful
experience
if that specific video file was very
important
recorders keep their videos in a special
format so extracting the data
is not so easy as it seems you will need
specialized software provided by the
device manufacturer and if the file is
deleted
a special program capable of finding the
last data and displaying it
let's start by analyzing the reasons
causing data loss for video recorders
and then find out how to recover data
from a hard disk
here are the most frequent reasons why
information is lost
hardware and software failures of the
video recorder
accidental or unintended deleting or
damaging of video files
hard disk formatting or initialization
hard disk failures
and so on if your hard disk failed it is
hardly possible to restore the lost
information on your own
so it's better to contact a company
specializing in data recovery
if the video recorder breaks down there
is nothing to be recovered because all
the data is still there
on the hard disk inside the device
however if you connect the disk
to the computer don't expect to see
anything what is more
the disk management will suggest
initializing it
for cases like this what you need is a
special software tool provided by the
recorder manufacturer which can help you
see the video files
but what if you don't have such software
try finding another video recorder of
the same model
or use a data recovery tool
this recorder model supports third-party
cameras as well
and lets you connect as many as four ip
cameras
an effective video compression system
helps the device to use
less space for storing videos
in the back panel there are two video
output channels
hdmi and vga
a 100 megabit ethernet port two usb
ports and four
independent power over ethernet
connectors and of course a power
connector
inside there is a slot for one hard disk
and a connector supporting disks up to
six terabyte
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if you need to recover an old video you
should remember that any video recorder
has to work with a limited memory
capacity
depending on the quality of the picture
and the number of cameras
it can record video files for a certain
period of time
and then it will override all the data
with new files
if a new record cycle has already begun
it's unlikely that all the videos can be
recovered
in general before doing anything to the
information which you think is important
formatting deleting partitioning and so
on always remember to backup your stuff
most recorder models let you configure
the backup process
so you can manage the skittle select
cameras video type and many other things
if there are no video backup files then
use headline partition recovery
an effective data recovery tool to
recover data from the hard disk cover
with your recorder
connect the disk to a windows computer
take all the screws and open the cover
of the recorder
take out the hard disk disconnect it
from the recorder and connect the disk
to the computer
when connected the disk is not displayed
in the windows explorer
and the operating system suggests to
initialize it
but it's not necessary now so just hit
cancel
as we know initialization will erase all
the data which is still on the disk
and any recovery operations you conduct
later can
hardly be successful
run hetman partition recovery the
program can recognize the disk
and it detects its file system as
hikvision
right click on the disk and open it
select file scan
and wait
if the fast scan result is
unsatisfactory
try a deeper scan instead
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as you can see the program managed to
find the remaining data easily
as a rule video recorder files have
similar names of the same type
if you need to recover a certain video
you can find it by using the preview
function
select the files you need to extract
from the disk and click
recovery specify where to save the data
and click recovery
again
when the process is over you will find
the recovered files in the folder you
have chosen for saving them
also there are video recorders with raid
support that give you ample
opportunities to secure your data
if you need to recover information from
this kind of recorder use
hatman radar recovery it will identify
its properties automatically and rebuild
the damaged raid system
so that you can copy the important data
to a safer location
and that is all for now hopefully this
video was useful
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leave comments to ask questions thank
you for watching and good luck