After installation Windows 7 of c drive d-drive disappear, what to do to recover d drive files

After installation Windows 7 of c drive d-drive disappear, what to do to recover d drive files?I have installed Windows 7 in C drive logical partition,but the partition d drive disappear .
Use Aidfile recovery software to recover files from deleted / lost / damaged partitions for Windows 7/8/XP/Vista/8.1 from logical partition of d drive. It supports EXFAT / FAT32 / NTFS / RAW file systems.

Use “Recover partition” to recover files from deleted/lost/damaged/changed D drive logical partition after installation Windows 7 of c drive

Use “Full Scan” to recover files from deleted/lost/damaged/changed D drive logical partition after installation Windows 7 of c drive if partitions show as “raw” or recover files which can not be found with “recover partition”.Wih deep and full scan lost files from partition , hard drive, usb.

Disk partitioning is the act of dividing a hard disk drive (HDD) into multiple logical storage units referred to as partitions, to treat one physical disk drive as if it were multiple disks, so that a different file system can be used on each partition.

Aidfile Recovery Software Keyfeature

Support Windows XP, Windows 7, Windows 8, Windows 8.1,Windows Vista, Windows 2003, 2008, 2012.

MS Office document (Word, Excel, PowerPoint, Outlook) types (doc, docx, ppt, pptx, xls, xlsx, pst, etc.),photos (JPG, PNG, ICON, TIF, BMP, RAF, CR2, etc.), videos and audios (MPG, MP4, MP3, MTS, M2TS, 3GP, AVI, MOV, RM, RMVB, etc.), compressed files (rar, zip, etc.), PE files (exe, dll, lib, etc.) and so on.

Support storages(hybrid hard drive,removable hard drive,internal hard drive, External hard drive,USB Flash Drive,Solid state drive,SD Card,CF card…)