Does Clean Install Wipe All Drives Exclusive New! May 2026

Before booting from your USB, physically disconnect the SATA or power cables from your secondary hard drives. If they aren't connected, the installer cannot touch them.

When you perform a clean install using a USB boot drive, you eventually reach a screen asking, does clean install wipe all drives exclusive

If you want to be 100% certain that your secondary drives remain untouched, follow the rule: Before booting from your USB, physically disconnect the

Remove all USB thumb drives, SD cards, and external HDDs. While the process is exclusive to the drive

While the process is exclusive to the drive you select, human error is the biggest threat.

By default, a clean installation of Windows or macOS is designed to target the (usually your C: drive). It does not automatically reach out and "sanitize" your secondary D: drive, external backup disks, or secondary SSDs unless you manually intervene during the partition process. How a Clean Install Works

If you use the "Reset this PC" feature within Windows settings rather than a USB boot drive, you may see an option to "Clean all drives." If you toggle this on, Windows will wipe every connected disk.