Posts Tagged ‘CCTV’

Help recovering hard drive data

Saturday, July 8th, 2017

I have an external hard drive, which seems to be TURN ON for roughly 3 seconds and then TURNS OFF immediately (spins down), whilst making a beeping noise. Addtionally, during those 3 seconds the disk is spinning.
(Note: the heads were originally stuck but are now free. Also, the controller board seems to be a bit burnt, as some of the gold lines look discoloured).
Please can you advise me on this? Is there a possibility that the control board is causing this problem and just needs to be replaced?

CCTV unit for data recoveryAnswer: Hi – your hard drive has a head fault – it’s not a controller board problem. A beeping hard drive indicates that it has a mechanical problem. To retrieve the data from it requires the attentions of a good data recovery specialist. On this blog we recommend several data recovery companies – try http://www.dataclinic.co.uk/ for further assistance.

Deleted Partitions
160gb hdd win7 deleted 3 partitions for clean install of win7 only to be told later there was 2 folders in the root of C. I’ve ran a few recovery programs read only but cant find the partition

Answer: If the data you need recovering has been overwritten by the clean install then your data has been lost for good – there’s no point running a data recovery program on it – it’s gone for good.

Hard drive spins then shuts down very quickly.
Need a price and a ETA on doing this job.
Drive: Seagate Baracuda XT.
S/N: 9WM7XHYM
P/N: 9GV168-036
fIRMWARE CC44
DATECODE: 12153
sITECODE: TK
WWN: 5000C5003F05EE38
CAPACITY 2TB

I have a 32GB Lexar 1000x CF card used in a Canon camera – the card is corrupted and I can’t view or transfer the photographs (RAW files) I have tried a few free recovery software, but none have helped. When I try and read it on my PC, it says it needs to format the disk. Is this something you can help me with? And, if so, how much would it cost?

We have received ccTV hard drive back from the police after a break in but we are unable to retrieve the data from q3 April 17 to 17th April 17. We are looking to get this data onto a disc so we can view it and understand how the breaking was carried out

Answer: Search the dataclinic.co.uk site (mentioned above) and find the CCTV data recovery section. They should be able to help.

Getting Data Back

Friday, October 14th, 2016

Get Back CCTV Image Data

Question: “We have a criminal case and we have a major problem. We have a digital cctv recorder. The footage we needed was recorded on the 2 of September when I called the engineer to tape the footage it said we could no longer go back to that date. Is there anyway we can retrieve that footage? I would greatly appreciate it. I’m feeling so stressed about this hopefully you can help.”

Answer: The likelihood of recovering data from CCTV recorders like this is very slim. This is because this equipment records on a continuous loop, continually overwriting the older data on the hard drive. In this case I believe the data you want to recover has been completely overwritten. This is common thing.If you have data from a CCTV system that you want saved its important to switch the CCTV recorder off so that it can’t overwrite any of the recordings you want back.

500GB Harddrive Not Appearing

Question: Have a seagate 500GB harddrive, used it a week ago and was perfectly fine. Tried to plug it in yesterday however nothing appeared on my Mac. Tried a windows and still the same. Windows makes sound when plug in. The light appears on device then flashes for a bit and then stops and goes back to just the light. It makes a heart beat type of sound when plugged in, such as it’s trying to do something but keeps getting caught. Really need the data on the device.

Transcend Store Jet harddrive

A 1TB Transcend Store Jet hard drive

Answer: The noise your Windows system makes when you plug your hard drive in is that of a USB device being recognised. There’s a subtle difference here – the noise is NOT your hard drive being recognised, rather it’s only the USB interface being recognised. I therefore suspect that you have a harddrive problem. The heart beat sound you mention when the harddrive is connected is probably similar to the repetitive clicking sound that most people report when their hard drive does not appear. This sound indicates a serious hard drive problem, and getting the data back from these fault requires engaging a skilful data recovery company who will be able to extract the data from the harddrive.

Transcend StoreJet Stopped Working

Question: My external hard drive (1TB Transcend StoreJet) has recently stopped working. Every time I plug it in to a computer it turns on, but says drivers have failed to install and thus it can’t be accessed.
I wanted to know how long does it normally take for you to examine a hard drive and recover data?
Please email me back. Your help is greatly appreciated.

Answer: This could be a problem with the drivers rather than a problem with the external hard drive. My first recommendation would be to plug the hard drive into a Mac and see what happens. Mac’s don’t use drivers as such and therefore plugging to device into a Mac should get past this problem. If the hard drive still fails to show up then you will have a faulty hard drive. Don’t worry if that hard drive shows up and you are unable to read it. Incompatabilites between Windows and Mac systems exist and you might not be able to read the data from the hard drive BUT you it will show up on the system.

Using a CCTV DVR System to Monitor Your Business

Friday, January 3rd, 2014

CCTV and DVR SystemsSecurity is an important concern for any business.  Having a strong security system is not only important in terms of deterring and preventing theft, but it can also be an important factor in determining your insurance premiums.  Businesses need to worry about theft by local gang bangers as well as employees with access to inventory and the cash register.  Even a full time security guard does not have eyes in the back of his head.  To get the most comprehensive surveillance possible, you need video monitoring.  CCTV DVR systems represent a great system towards these ends.

Closed circuit television (CCTV) cameras are at the heart of any monitoring system.  These provide the watchful eye that scans your shop, potentially 24 hours a day and 7 days a week.  These can be acquired in simple black and white, color, or even with infrared capability.  The latter is especially useful if they will be monitoring the place in the dark.

Each camera is outfitted with a lens that defines the viewing angle.  These lenses can be configured for a very wide fisheye style viewing angle to cover the most real estate possible.  They can also cover a narrow field if you need a close up view with detail, such as perhaps near a cash register where one might want to be able to catch the denominations of any bills pulled out.  Cameras can also have zoom lenses that can pan in and out when controlled remotely.

It is not uncommon for CCTV cameras in such a system to be hard wired directly to a digital video recorder (DVR) which will record all of the footage in real time.  However, many modern cameras are being produced to work without being physically wired in to any other device other than the electrical socket supplying power.  These usually have their own wireless data transmitter that is connected to a wireless router or hub.  This hub then usually connects to the worldwide web and the DVR. The DVR can be either at the location being monitored or somewhere off site where it is secured from being tampered with by employees or thieves.

There are many advantages to this setup.  First, this makes setting up the system relatively easy.  There is no need to worry about running cable lines from various parts of the establishment, which could require substantial refits to the premises.  Each camera in such a system can also be polled remotely using its assigned IP address in real time.  If the DVR fails for some reason, this could be useful for obtaining real time security.  Certain cameras might even have the ability to pan back and forth and zoom in and out.  These could then be controlled remotely using by the IP address with this setup if suspicious activity is observed.

The DVR’s primary function is to collect and store the incoming data.  In older systems this would have been handled by a video cassette recorder (VCR).  The obvious disadvantages of the latter system are (1) the short duration of the tape which requires frequent replacements, (2) the ability to only record one camera per VCR, and (3) the inability to go back and view previous video frames on the tape while it is still a problem.  DVRs solve all of these problems.

DVRs utilize a hard disk to store the data instead of a tape.  All video is digitized at the level of the CCTV and then compressed into a digital file using standard computer video formats.  Due to the speed of the digital processing power of the DVR, it can handle signals from many cameras at once, writing all the data onto different hard drive files as the data comes in.  Since computer hard drives can hold up to four terabytes of data, a lot of video can be stored before the old video would have to be backed up to some other sort of backup.  Since hard drives operate on the principle of random access, one can always go back and view any frame or multiple clips from multiple views simultaneously even though the system is still recording. As you probably know, hard drives can break from time to time and the data on them lost. Should this happen it’s frequently necessary to contact a CCTV or DVR data recovery specialist.

DVRs can be configured as standalone units, like home entertainment center DVRs, or as personal computers outfitted to perform the same function.  A computer DVR will give a business owner much more flexibility in terms of software that can be used in addition to software and hardware expansion possibilities.  However, a standalone unit can be more stable since it is usually not working on a bloated PC operating system that can be prone to crash.  Multiple PCs can be used, one off site and one on site, if crashes are a concern.  The latter configuration also provides some redundancy in case of an outgoing network failure effecting the off site DVR or physical tampering of the data at the on site unit.

CCTV DVR systems have provided business owners with more options to monitor their operations more efficiently. Deterring crime with 24/7 surveillance has never been more easy to install and cost effective.