Hello; If you want to format and reset your Lenovo S145 notebook, you can do this very easily. No CD or USB installation is required for this job. your device will come to the original state with just one button.
For this process to be successful, your device must not be formatted with a cd or usb before. This will delete all the files on your computer. Therefore, back up backups of all your files on your device to a different location.
All you need to do for the recovery process is to click the recovery button once you see the picture below. Click once with an object that is not too pointed and start the recovery process