Here to recommend to you a software, WiseRecovery. This software can help you solve the problem effectively, you will love it.
WiseRecovery is a powerful software that helps you recover lost data from many kinds of storage media, such as Hard Drives, PCs and Laptops, Memory Sticks, USB storage media, SD card, cameras, cell phones, etc. It performs read only operation and you needn't worry about any damage to your card or hard drive. If your card or hard driver was corrupted, formatted, or attacked by virus, WiseRecovery also can recover the lost files. Which kinds of files it can recover? Office document, photo, image, video, music, email, etc. Which Windows version does it support? All of Windows versions.
After the instruction,let me tell you how to recover deleted files by WiseRecovery.
Step One Download WiseRecovery from here
Step Two Install WiseRecovery follow the instructions.
Step Three Click the "Start Scan" button,the scanning is began.
Step Four It will show you a list of all volumes found on your computer, select the drive which need to be recovered and click the "Next" button to scan. If you can't see the any drive, please check if your external drives were connected well, and then click "Refresh" button.
Step Five The scanning process need 2-10 minutes, time depends on your disk size and files amount on the disk. When the scanning is finished, you can preview your files. Then choose the files you want to recover, and click "Recovery".