: Restoring from a recent cloud backup or external drive is the fastest and most reliable way to recover data. Use Built-in OS Repair Tools :
: Use Disk Utility and its "First Aid" feature to scan and repair file system errors. How to Fix Corrupted Data on Your Device
: Sudden power loss or surges during a write operation can cause critical data to be scrambled. Prevention Strategies : Restoring from a recent cloud backup or
Identifying the cause can help you choose the right fix and prevent future occurrences: Prevention Strategies Identifying the cause can help you
: Use the System File Checker (SFC) . Open the Command Prompt as an administrator and type sfc /scannow . For deeper issues, run DISM /Online /Cleanup-Image /RestoreHealth first to repair the system image.
: Ransomware often "corrupts" data by encrypting it, while other viruses may deliberately alter system files.
: Aging hard drives, bad sectors , or failing SSD memory cells physically prevent data from being read.