Samsung NP940X5J-K01US - Manual (Page 101)

Troubleshooting
101
What is a recovery image?
This refers to specifications about the operating system, drivers,
and software that are converted to a data image. It is required
to recover the computer and is embedded in the computer’s
HDD. However, this is not provided for storage devices where the
capacity is less than 64 GB, due to their small capacities.
How can I recover a computer that does not have the
Recovery application?
Recover the computer with the recovery function provided by
Windows. Refer to the Recover Functionality item in the help for
more details.