Medion computers come with a split partition in the event of operating system problems or failure. This split partition contains a recovery and restore system partition, which serves in place of a recovery disc. Recover your operating system simply by restarting your computer and entering recovery mode during boot up.
Restart your computer and press "F11" as you do so to enter recovery mode.
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Wait a few minutes for Windows to load the files.
Select "English" from the language menu and click "Next." Click "Restore to HDD" either with "no backup of user data" to erase all content or with "backed-up user data" to restore your configurations. Click "Next."
Click "Next" throughout the following screens to confirm the options.
Click "Restart" when prompted to finish the recovery process.