1.1. Restoring Deleted Data

No one wants to lose vital data stored on a hard disk. To ensure the integrity of data, backup copies can be the best line of defence. When the unthinkable happens, and data cannot be seen from the operating system, another route must be taken to retrieve lost data.

Cause Chance
Accidental removal of files and folders and then emptying Recycle Bin ~ 75%
After physical damage of critical sectors on HDD ("bad clusters") some drives become unreadable ~ 6%
Loss of information due to a power failure or power surge ~ 5%
Deletion of logical drive or partition itself then recalling important data on it ~ 3%
Damage of MBR, Partition Table, Volume Boot Sectors by virus ~ 3%
Other ~ 8%

When the above cases are assessed, the situation boils down to two states:

  1. Individual files or folders have been deleted or overwritten and the drive partition or physical drive can still be displayed by the operating system
  2. The partition table is deleted, damaged or overwritten and physical drives or logical drives become invisible to the operating system
 
  1. PRODUCT OVERVIEW
    1. Restoring Deleted Data
    2. Files Erased
    3. Partition Damage
    4. Steps to unerase Files and Folders
  2. SYSTEM REQUIREMENTS
  3. USING Active@ UNERASER CONSOLE
    1. Starting Active@ UNERASER DOS console
    2. Starting Active@ UNERASER Windows console
    3. Command Bar Menu
    4. Performing a Drive Scan
    5. Performing a Device Scan
    6. Searching for Deleted Files and Folders
    7. Searching for Files by Name
    8. Using Hex/Text Viewer
    9. Unerasing a Deleted File
    10. Unerasing a Deleted Folder
    11. Creating a Disk Image
    12. Steps to create a Disk Image
    13. Checking Disk Image
    14. Working with Disk Image
    15. Long File Names Support
    16. Recovering Files with Long Names
  4. DATA RECOVERY TIPS
    1. Treat Recovery Area With Care
    2. Save Recovered Files Onto a Different Drive
    3. Load UNERASER to a Floppy
  5. PREPARING TO USE THE UTILITY
    1. Preparing a DOS-Bootable Floppy Disk
    2. Preparing a Bootable ISO CD-ROM Image
  6. USING COMMAND LINE PARAMETERS
    1. Overview of Command Line Parameters
  7. QUESTIONS & ANSWERS:
  8. HOW TO...

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