Appendix: The backup and restore of SD card
1. ASIAIR file system backup
Step 1 Download, install and run the latest version of Win32 Disk Imager.
Step 2 Remove the SD card from ASIAIR, insert it into the card reader, and plug the card reader into the
computer USB port.
Step 3 On the Win32 Disk Imager software interface, click the folder icon ( ), select the path to save
image file. Please make sure the path is on your computer and it has at least 30GB of free disk space.
Name the image file ASIAIR_backup_20180810.img.
Step 4 Under the Device label, select the BOOT partition. Normally the driver letter is: [E:\].
Step 5 Click the Read button ( ) to start. This operation usually takes 15 to 20 minutes.
Note: The partition of SD card under Windows 10 is slightly different, so you only need to back up the
BOOT partition.
2. ASIAIR system restore
When ASIAIR cannot be started due to an SD card failure, you need to restore the img file which was
backed up in the previous step to your new SD card. The specific steps are as follows:
Step 1 Download, install and run the latest version of Win32 Disk Imager (If you’ve already Installed it, please
skip this step).
Step 2 Insert a new SD card (32G) into the card reader, then plug the card reader into the computer USB
port.
Step 3 In the Win32 Disk Imager software interface, click the folder icon ( ) to select the image file that
has been backed up.
Step 4 Under the Device label of the Win32 Disk Imager software interface, select the SD card drive letter.
Step 5 Click the Write button ( ) to start. This operation usually takes 30 to 40 minutes to
complete.
Note: After the restore has finished, insert the SD card into ASIAIR and restart. You should be ready to
Reference screenshots for WIN32 Disk Imager: On the left is backup and on the right, restore.