Video camera's internal hard drive, external SD card, digital camera memory card, any camera internal or external card, or any other storage card like phone card recovery, is not a problem for data recovery onsite.
usb lash drive and SD card use flash memory. The flash memory has advantages and disadvantages. It's faster and light to carry but it can also fail. If you have an SD card that was accidentally formatted, broken, physically damaged or deleted, the data is corruption as a result of a virus or normal firmware corruption, or if the SD is not being detected by any computer then you don't need worry. We have all sorts of data recovery solutions for your situations.