Does Clean Install Wipe All Drives Exclusive Fixed May 2026

clean install

When performing a of an operating system (like Windows, macOS, or Linux), here’s exactly what gets wiped — and what doesn’t — depending on your actions:

For official guidance on these processes, you can refer to the Microsoft Support page on reinstalling Windows or the Windows Reset FAQ . does clean install wipe all drives exclusive

  1. Advanced installation options: Some installation processes, like a "full disk encryption" or "secure erase" option, might offer the ability to wipe all drives or encrypt all data on the system.
  2. Third-party tools: You can use third-party tools, like disk management software or secure erase utilities, to wipe specific drives or all drives on a system before or during the installation process.
  3. Manual actions: If you're performing a manual installation or using a custom installation script, you might intentionally choose to wipe all drives or modify the installation process to affect multiple drives.
  • Do NOT select "Upgrade," as this keeps old files and is not a true clean install.
  • Backup everything.
  • Identify drive names/numbers (manufacturer/size) to confirm target.
  • Physically unplug other drives if possible.
  • Use manual/install advanced options and double-check selections.
  • After install, verify bootloader installed where intended.

The Final Verdict