Samsung NP750XDA-KD5CA User Manual page 68

Troubleshooting
Recovering to factory default
You can restore the computer to its factory default settings. If
necessary, back up important data to an external storage device
before restoring the system. See Backing up data.
1
When the computer starts Windows:
Select the Start button ( ) → All apps → Samsung
Recovery.
When the computer does not start Windows:
Turn on the computer and press the F4 key several times
before the Samsung logo appears.
2
Select PC factory reset → Start factory reset.
Follow the on-screen instructions to complete the recovery to
its initial status.
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