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I just need to make sure you have the Lenovo Yoga 10 Tablet 60046. If you do please follow the Steps below to Fully Reset the Tablet back to Factory Settings (erase everything):
- Turn off the Tablet.
- Then hold the volume UP and Power button until you get to a menu.
- Then release the buttons.
- Use the volume button to go down the menu and select Factory Restore.
- Press the power button to select this, and let the restore complete.
- If you get any Menus in Chinese make sure you select please select the last option which is Factory Reset.
Please let me know if there is anything else I can help you with.