Acer Aspire E1-422G - Manual (Page 40)

40 - Recovery
• Since the recovery backup requires at least 16 GB of storage after
formatting, it is recommended to use a USB drive with a capacity of
32 GB or larger.
4. You will be shown the backup progress on the screen.
5. Follow the process until it completes.
6. After creating the recovery backup, you can choose to delete the
recovery information on your computer. If you delete this information,
you can only use the USB recovery backup to restore your computer, if
you lose or erase the USB drive, you cannot restore your computer.