Asus TX300CA E-Manual page 82

4.
5.
6.
7.
8.
8
In the Advanced options screen, select System Image
Recovery.
Choose an account you would like to recover using a
system image file.
Type your account password then tap Continue.
Select Use the latest available system image
(recommended), then tap Next. You can also choose
Select a system image if your system image is in an
external device or DVD.
Follow the succeeding steps to complete the system
image recovery procedure.
NOTE: We strongly recommend that you regularly backup
your system to prevent data loss in case your ASUS
Transformer Book stops working.
ASUS Transformer Book E-Manual