When updating the firmware, my machine powers off. After that I turn on the machine and the machine's display or LED indication shows as below.

 

For the models with LED indication

 

For the models with the display

 

 

Follow the steps below to update your machine's firmware again.

Windows

1. If you have not use this machine with USB cable, install the driver from the supplied CD-ROM or download the Full Driver & Software Package and install it for USB connection.
   > Click here to download Full Driver & Software Package in the Downloads section.
    
2. Download Firmware Update Tool and update the firmware with USB connection again.
   > Click here to download Firmware Update Tool in the Downloads section.

macOS

Download Firmware Update Tool and update the firmware with USB connection again.

> Click here to download Firmware Update Tool in the Downloads section.