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Partition Master 10.8
Convert system disk from MBR to GPT safely
"Disk/drive is not formatted. Do you want to format it now?", few computer users have never bumped into this error I bet, only sometimes it will be "* drive is not accessible. The device is not ready" message or the disk simply cannot be recognized by Windows. Of course you should firstly check the drive which is reported to be not formatted to make sure the physical connection is right. What if the drive is RAW instead of invalid physical connection? Data recovery software like EaseUS Data Recovery Wizard Free Edition will help you unformat drive in such kind of condition.
"Disk/Drive is not formatted..." error may be caused by many reasons, say virus attacks or power failure etc. When you check it in disk management, it might be healthy, but it might have no file system and drive letter. When this happens, we call it a RAW drive. That means the disk is not prepared to be used within the operating system or the data can no longer be read due to data corruption, while every floppy disk or hard disk/drive needs to be formatted with a particular file system before being used, thus we get the "disk is not formatted" message when try to access a RAW disk.
To access the RAW drive again, you need to format the disk, but once you format the RAW drive, the data will be formatted and lost. So we recommend you to use format recovery software to recover and get your data back from the RAW drive before going any further. Once you've got your data back, you may feel free to format the disk showing "Disk/Drive is not formatted..." in order to access the disk and copy or re-install the recovered data for a fresh start.
"Complete Recovery" module of EaseUS Data Recovery Wizard Free Edition can help recover data from disk showing "Disk/drive is not formatted. Do you want to format it now?" message easily and safely even if you are not a professional in computer. Meanwhile, we recommend you to download the free version and follow the step-by-step instructions below to recover lost files.
Step 1. Launch EaseUS Data Recovery Wizard and select the file types you want to recover. Then click "Next" button to move to the next step.
Step 2. Select the disk where you lost your data and click "Scan" button, the software will quickly scan the selected disk to find all your target files. If you lost your partition, select "Lost Disk Drives" and "Scan" to continue the recovery process.
Step 3. After scan, you can preview all the listed recoverable files one by one and select out those you want. Then, click "Recover" button to get them back once. Here you should save all the recovered files on another disk to avoid data overwriting.