To ensure that your secondary drives remain completely safe during a clean install, follow these best practices: 1. Create a Comprehensive Backup
Operating systems are designed to be modular. The installation media (USB or Disc) is programmed to format a specific destination. It does not have a "delete everything everywhere" command by default because many users rely on multi-drive setups to separate their software from their personal files. Risks and Best Practices
If your computer has multiple storage drives—such as a primary Solid State Drive (SSD) for the operating system and a secondary Hard Disk Drive (HDD) for data—a clean install treats them independently.
Reinstall Windows with the installation media - Microsoft Support
After the clean install is complete and Windows is set up, you can shut down your PC, reconnect the other drives, and boot up again. Your second drive will then appear as a new drive letter in "This PC," and all your files will be intact and accessible. This is the safest and most foolproof approach. does clean install wipe all drives exclusive
To help tailor this process to your specific computer setup, could you let me know: What are you planning to install? Is this for a desktop PC or a laptop ?
This guide explains exactly how a clean install behaves, how to protect your secondary drives, and the steps to ensure a flawless installation. Understanding a Clean Install
Power users often open the Command Prompt during installation (Shift + F10) and type diskpart , followed by clean .
It's crucial to understand that while your files on other drives will remain safe, many applications store critical data and configuration files on the system drive (C:). Even if you have installed a game or large software program to your D:\ drive, a clean install of Windows will wipe out all the registry entries and necessary data on the C:\ drive, which will likely break those applications. Therefore, you should plan to reinstall all your programs after a clean Windows installation. To ensure that your secondary drives remain completely
Before you start that clean install to fix your PC:
This is where Windows or macOS lives. During a clean install, this partition is formatted. Everything on it—your documents, your desktop files, and your installed programs—will be deleted.
A clean install of Windows automatically wipe all drives . By default, the process only affects the specific drive or partition you select for the installation. How it Works by Default
An hour later, Leo was back at his desktop. The wallpaper was the default blue ribbon. The icons were gone. He held his breath and opened File Explorer. It does not have a "delete everything everywhere"
Never rely solely on the theory that secondary drives are safe. Before touching an operating system installer, back up your critical data to an external drive or a cloud storage provider. Step 2: Disconnect Secondary Drives (Highly Recommended)
There are two specific scenarios where "Clean Install" effectively wipes "all drives," but they require active user intervention:
On the partition screen, you will now only see one drive. Delete all existing partitions on this single drive until it shows as "Unallocated Space."