When you perform a clean install using external media (like a USB drive), you are presented with a "Custom: Install Windows only (advanced)" option. This screen lists all connected drives and partitions.
Any other internal hard disk drives (HDDs), secondary solid-state drives (SSDs), partition volumes, or external USB storage devices remain completely untouched by the installer. How a Clean Install Protects Secondary Drives
During a clean install, delete only partitions on the system drive (often labeled as Drive 0). Do not touch any other drive or partition. When all partitions on the system drive are deleted, the whole drive will be listed as "Unallocated Space." Select that space, then click Next to begin the installation. does clean install wipe all drives exclusive
If the data is extremely valuable and software recovery attempts fail, professional data recovery services are available. These services can be expensive, but they offer the highest chance of recovering data from drives that have been formatted or partially overwritten.
When you hear the term "clean install" of Windows (or any operating system), the immediate fear is that you are about to nuke every photo, document, and game from every hard drive connected to your PC. However, the reality is much more nuanced. When you perform a clean install using external
While a clean install won't wipe your physical secondary drive, it will wipe your primary drive's connection to cloud services. If you stored files in your local Documents folder thinking they were safe because they sync to OneDrive, Google Drive, or iCloud, ensuring they actually synced before wiping the primary drive is critical. Step-by-Step Guide to a Safe Clean Install
During a Windows clean install, you will encounter a screen asking, "Where do you want to install Windows?" This screen displays a list of all connected drives and their respective partitions (labeled as Drive 0, Drive 1, Drive 2, etc.). How a Clean Install Protects Secondary Drives During
Only the partition you manually select to or Delete will be wiped.
