You can certainly recover RAW images from your PC or Mac. All you require is a recovery tool such as Remo Recover which is one of the only recommended application for recovering missing or deleted RAW files from your system. This recovery tool was designed and developed by a team of expert professionals which has the ability to recover RAW files regardless of what exactly caused it to be deleted. It includes a simple GUI letting you use the application with much ease. This application also has the ability to recover RAW files from all types of SD cards such as SD, SDHC, SDXC and so on and supports to recover RAW files from almost all cameras such as Nikon, Canon, GoPro, Samsung, Sony, Olympus and so on. Following the recovery process the list of recovered files is presented to you and the same can be saved to any location on your system. This recovery tool has the ability to recover popular RAW files of all types such as NRW, IIQ, 3FR, DCR, KDC, CR2, ERF, MEF, MOS, NEF, QRF, PEF, RW2, ARW and so on.
Some common causes for RAW file deletion are: