How to recover the system to factory settings with recovery discs
This article introduces the steps of restoring the PC to factory settings using bundled recovery disks. If you don't have recovery discs, check this link to get one. Or you can adopt Lenovo OneKey Recovery or Windows restore features (only applicable for Windows 8 onwards), details as below:
Run Lenovo OneKey Recovery to restore system to factory default
The following operations will destroy system partition and all data in your HDD. Please make sure you have taken a backup.
Insert the Start Recovery Disc labeled with number 1
Start the computer and press F12 continously at Lenovo logo screen until entering the boot manager
In boot manager select ODD (optical disc drive) and press enter to continue. The name of the optical drive can vary from model to model.
In this step the computer will ask you if you want to start from the Recovery Disc. You can accept with Enter or with any other key. If you don’t react, the computer will try to boot into Windows as usual.
After the disc has loaded you will need to accept to the license terms to continue with recovery.
The next step informs you that the recovery program is ready to begin. All the data on the hard drive will be erased. You need to confirm this by click "OK" to continue.
The recovery process will require from you to insert the disk marked with number 2. After you insert the second disk confirm message by click "OK".
The recovery process will also ask you for the Additional Recovery Disc. Check if you have the disc present and answer accordingly.
The recovery process will ask for the disc labeled with number 3. Insert the disc and confirm the message.
Now you need to wait. It may take over 2 hours on some systems to finish the recovery process. The process is automated and the computer will be restarted several times.