Acer Aspire S5-391 User Manual page 38

3. Plug in the USB disk or insert a blank disc into the drive indicated in the
Backup to list, then click Next. You will be shown the backup progress
on the screen.
4. Follow the process until it completes:
• If you are using optical discs, the drive ejects each disc as it
completes burning it. Remove the disc from the drive and mark it
with a permanent marker.
If multiple discs are required, insert a new disc when prompted, then
click OK. Continue until the process is complete.
• If you are using a USB disk, unplug the USB drive and mark it with a
permanent marker.
Important: Write a unique, descriptive label on each backup,
such as 'Windows Recovery Backup' or 'Apps/Drivers Recovery
38 - Recovery