Sometimes it is good, even necessary, to reinstall Windows 10 on a PC, either to give him a second youth, the restore due to a malicious software or to transfer the operating system on a SSD.
As long as the hardware (motherboard, processor, drivers,..) is working correctly, reinstalling Windows should not cause any problem.
Reinstall your operating system process is irreversible, so it is very important to back up all your files (music, photos, videos.) and all your settings on an external hard drive or on a Cloud.
Note that if you are migrating from Windows 7 to Windows 10 par example, Windows will do an upgrade and keep your files, but it is preferable to copy them as a precautionary measure.
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Reinstall Windows 10.
To perform a reset of your PC, and reinstall Windows 10, you can use the feature “Reset the PC”.
Here’s how you do it :
Go to the Start Menu → Settings → Update and security → Recovery, and then, under Reset the PC, click on Start. On the screen that appears, select Delete All.
Then, if you want to delete your programs and settings while keeping your personal documents, select the option Delete my files.
On the other hand, if you want to erase everything, including your files, click Delete files and clean the drive.
Finally, to start the process, click Reset.
Reinstall Windows 10 with a bootable USB drive.
In the case where the previous method did not work for you,you can re-install Windows 10 from a bootable USB key (restart) or a DVD.
Before you reinstall Windows, make sure that you have backed up all your data, because once the process is started your C: drive will be completely erased.
Please bring with you a USB flash drive (3 Gb minimum) or a blank DVD. Then, download the creation tool support Windows 10 on your key, or burn it if you have opted for a DVD.
Then, follow the steps that appear on your screen (language setup, edition Windows 10, architecture of your PC..).
We recommend that you keep this support as it could serve you for a reinstallation in the future.
Now, turn off your computer and turn it back on with the USB key or bootable DVD inserted.
The Windows logo appears on the screen and shows you the progress of the installation. Keep an eye on it, because the computer will restart several times and you will be prompted to remove the DVD or the key of reboot.
Your PC is now refurbished.
Finally, check to see if Windows 10 is turned on, for this, go to Settings → update and security. Ofyears the left menu, click Activation, and then under Windows, it is indicated whether the system is enabled or not. Typically, this activation is automatic.
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