Symptom of CCTV/DVR Footage Become Overwritten
When a file or directory is modified, overwriting means recording or copying new data over existing data. Overwriting data records fresh information over previously stored data. New data is recorded using the idle file system clusters. This occurs as the user keeps using the disk for different things and overwritten the previous files with new ones.
How CCTV/DVR Data Deleted or Overwritten
Most of the time, these are the main causes that can damage or remove CCTV footage.
1. Deletion of CCTV pictures by mistake.
2. The hard drive or DVR has really and truly broken down.
3. Damage from water seepage and being wet.
4. Fire damage.
5. Attack from malware or a virus on the hard drive or SD card of a CCTV system.
6. Formatting an SD card, or a CCTV SD card or DVR that is defective or broken.
How to Recover Overwritten CCTV Footage?
Method 1: Recover Deleted CCTV footage from Backup
You can easily recover CCTV footage or files from a backup if you have saved the movies to another hard drive or SD card.
Step 1: Open the video file folder that you searched for.
Step 2: If you took the video off or lost the DVR or CCTV’s SD card or hard drive, look for it there.
Step 3: Copy the data back to the disk or SD card and save it there.
Method 2: Try Any Third-Party Software to Recover Overwritten Footage CCTV/DVR
Should you accidentally delete your CCTV or DVR data, the BLR data recovery tool can capable to recover it. This software can get back lost DVR data from a lot of different storage media, like hard drives, SD cards, and USBs. By following the steps below, you can easily get back any footage that you deleted from your CCTV/DVR's hard drive or SD card.
Step 1. Install and open BLR data recovery tool and choose the location of device where footage were lost or deleted you want to restore. Please select the "Search for Lost Data" option to locate the missing footage.
Step 2. Select "footage" from the options on the left panel. If you remember, you have the option to directly enter the file name into the search bar. Choose the located videos and select "Preview".
Step 3. Choose the video files you wish to recover. Click on the "Recover" option to securely save your files to another location on your computer, an external storage device, or cloud storage.
Advice
You can also try BLR data recovery tool if your CCTV HDD is not completely erased. The situation in which data has been erased is more complicated. There is no way for us to know for sure that getting back overwritten files will work. So, get our trial version and give it a spin first. You can purchase this software and keep it safe if you find what you lost on the page of results. Then this tool probably won't be able to help you.
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