Acer Aspire S5 Series User Manual page 38

Caution: If you are using a USB flash drive, ensure it is at least
12 GB and does not contain any previous data.
1. Click on Start
eRecovery Management.
2. To create recovery backup for the hard drive's entire original contents,
including Windows and all factory-loaded software and drivers, click
Create Factory Default Disc, or if your computer has no optical drive,
Create Factory Default Backup.
- OR -
To create recovery discs for only the factory-loaded software and drivers,
click Create Drivers and Applications Backup.
Important: We recommend that you create each type of recovery
disc as soon as possible.
36 - Recovery
> All Programs > Acer, then click on Acer