This can be said for sure. Because the system is generally stored in drive C, and the installation system is installed in drive C, the drive C will be automatically formatted during reinstallation, so the files in drive C will be automatically deleted. The C disk of the computer is the location where the system is installed, and the reinstallation system is also aimed at the C disk. The normal reloading method only affects disk C, and the data of other disks will not be lost. However, there are many ways to reinstall the system, and in the process of reinstallation, if you accidentally make mistakes, it will lead to the whole repartition and affect the whole disk.

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