D, E, F disk partitions are gone,only C drive
Yesterday normal shutdown my computer to boot normally this morning, only the C drive, DEF partitions are all gone, Disk Management tool displays “D E F partitions are deleted all,” I now ask how to do? There are important files on the D drive, the operating system is WINDOWS 7, how to get back above the D E Fdrive and files.
Data recovery is the process of fear secondary damage caused by misuse, causing difficulty steep recovery. Data recovery process, which is prohibited to the source disk to write new data.

Do not do DskChk disk check.
Do not format the partition again.

Do not restore the data directly to the source disk.
Do not re-partition operation.
After the data is lost, go to non-existence of the need to restore the partition inside the new file. The best is off download tool, not the Internet, but also to turn off unnecessary applications, scan again to restore the data. To restore the partition is the system partition, when the data file is deleted lost, if there is no important data this computer databases and the like, we recommend that you put the computer off, then put the hard drive to another computer linked to recover, because in shutdown or turned on, the operating system will write data to the disk inside the system may damage the data.

Use “Recover partition” to recover files if partitions changed or damaged or deleted.

Use “Full Scan” mode to recover files which can not be found with “undelete” and “unformat” and “recover partition”,show as raw partition,partitons which are not NTFS,nor exfat,nor fat32. With deep and full scan