This step-by-step guide below will show you how to use Coolmuster Data Recovery to recover lost or deleted data from not only the internal hard drive, but also all kinds of external hard disk..

Step 1. Run Software and Choose Recovery Mode

Launch the Data Recovery software and you will see its interface like below. There are four recovery options - Deleted Recovery, Format Recovery, Raw Recovery and Partition Recovery. You need to choose proper mode according to your needs. Click "Next" button to continue.

Deleted Recovery - Recover deleted files like videos, photos, music, and more from partition or removable storage media;
Format Recovery - Recover lost files from formatted partition or drive, USB drive, Zip Drive and camera flash memory card;
Raw Recovery - Deep scan and recover data even when the file system is corrupted;
Partition Recovery - Retrieve corrupted or lost partitions, with all data intact. BUT IT IS SUGGESTED FOR PROFESSIONAL USER ONLY.

Step 2. Scan and Preview Lost Files

The data recovery program will detect and show all the partitions and drives letters on your computer.Just locate the drive where you lost the data and click the button of "Scan" let the software scan all lost files for you. 

Step 3. Start to Recover Lost Data

After the scan, all the files, including the lost ones are all found and displayed in tree structures according to their original locations. Check the files you want to recovery and follow the two optional way to recover lost data.

1) You can select all files that you need to retrieve, right click on them and click "Recover to Folder". Or right-click blank area of the interface and choose "Select all".
2) Just Ctrl+A to choose all files you need to recover and click the "Recover" button on the buttom right corner.

There will be a popped-up dialog-box for you to define an output folder to save these recovered data. Just customize a folder and click OK. We kindly suggest your choose a different location to keep the recovered data, instead of the original place where you lost them before.