Retrieve deleted photos from Nikon D3100 DSLR camera? Try the following undelete software to restore data (raw nef/jpeg, videos included) from Nikon camera SD/SDHC/SDXC memory card.
Preparation: Insert sd card to a Windows computer with a memory card reader at first.
Step1. Download the free Nikon camera photo recovery tool on your Windows computer, (All Windows computer supported), and then install it on the computer. Open the program, and then choose a recovery option to go.
Step2. Select the camera sd card as target to start free scanning.
Step3. Save images, videos on another digital storage drive.
As for Nikon D3100 camera users, these following data loss may happen and let's analyze the details.
Also read: Nikon sd card photo recovery
Step 1: Download the mac utility to undelete files from Canon D3100
Step 2: Insert sd card to MAC and scan the sd card with the mac recovery utility
Step 3: Preview images or videos to see whether it can save your files.
Note: Recovering the deleted images or videos for Nikon camera on MAC computer? Download for MAC (This mac utility is from another third party software developer and it only offers free scanning and it will show you whether it could find your lost image in the trial. It needs a subscription fee to save found data!)