Can I Recover an Unallocated Disk Without Losing Data [Fixed]

All my apps and OS live on C: and D: would be my working drive which I didn't back up because I unplugged to protect it and avoid overwriting it while reinstalling Windows. However, when I plugged D: back in, it's now showing up as Disk 1 Unallocated!

Can I recover an unallocated disk without losing data? It's possible to recover data from an internal or external hard drive unallocated on Windows. You should follow two parts to recover the unallocated disk:

EaseUS Data Recovery Wizard is a powerful and trusted data recovery tool on Windows, which supports external hard drive recovery, USB flash drive recovery, SD card recovery on Windows, and recovery of other storage devices. Check out the following 3 steps to recover your unallocated disk:

Step 1. Install and launch the EaseUS data recovery software on your computer that connects to the unallocated disk, and choose the disk.

Step 2. Click 'Search for lost files' to scan all data on the unallocated disk, including lost, deleted, and existing data on it.

Step 3. Select the data you want, click 'Recover' to get it back, and save the recovered data to a safe storage location.

After recovering your unallocated disk, you should repair it to make it work normally again. Check out the steps below:

Step 1. Enter Disk Management and right-click 'This PC/My Computer > Manage > Disk Management'.

Step 2. Locate and right-click on the unallocated disk, and select 'New Simple Volume'.

Step 3. Set partition size, drive letter, and file system as you want, such as NTFS.

Step 4. Click 'Finish' to complete the repair process, and you can usually use the unallocated disk.