Training Videos

Does Clean Install Wipe All Drives Exclusive -

Does Clean Install Wipe All Drives Exclusive -

| Action | Wipes Drive C? | Wipes Drive D? | Wipes External Drives? | | :--- | :--- | :--- | :--- | | | Yes (Target partition) | No | No (unless unplugged) | | Diskpart Clean | Yes (Entire physical disk) | Yes (if same disk) | Yes (if connected) | | Factory Reset (OEM) | Yes | Possibly | Possibly | | DBAN (Darik's Boot and Nuke) | Yes | Yes | Yes (everything) |

When you boot from a USB installation media (Windows 11/10) and select "Custom: Install Windows only (advanced)," you are taken to a screen showing a list of partitions. does clean install wipe all drives exclusive

This misunderstanding carries significant consequences. The most benign is anxiety: users fearing total data loss may postpone a much-needed system refresh. More dangerous is the false sense of security. Someone selling or donating a computer might assume a simple clean install has erased their personal files from all drives, when in fact a secondary drive or partition still holds tax returns, private photos, or browsing history. True data destruction requires specialized software (like DBAN for HDDs) or physical destruction of the drive—not a routine OS reinstallation. | Action | Wipes Drive C

If you have multiple drives connected to your computer, a clean install will not affect them by default. However, there are some scenarios to consider: | | :--- | :--- | :--- |

| Action | Wipes Drive C? | Wipes Drive D? | Wipes External Drives? | | :--- | :--- | :--- | :--- | | | Yes (Target partition) | No | No (unless unplugged) | | Diskpart Clean | Yes (Entire physical disk) | Yes (if same disk) | Yes (if connected) | | Factory Reset (OEM) | Yes | Possibly | Possibly | | DBAN (Darik's Boot and Nuke) | Yes | Yes | Yes (everything) |

When you boot from a USB installation media (Windows 11/10) and select "Custom: Install Windows only (advanced)," you are taken to a screen showing a list of partitions.

This misunderstanding carries significant consequences. The most benign is anxiety: users fearing total data loss may postpone a much-needed system refresh. More dangerous is the false sense of security. Someone selling or donating a computer might assume a simple clean install has erased their personal files from all drives, when in fact a secondary drive or partition still holds tax returns, private photos, or browsing history. True data destruction requires specialized software (like DBAN for HDDs) or physical destruction of the drive—not a routine OS reinstallation.

If you have multiple drives connected to your computer, a clean install will not affect them by default. However, there are some scenarios to consider: