ViewSonic M1 G2 User Manual page 49

Firmware Update
1. Download the latest version from the ViewSoinc website and copy the file to a
USB storage device.
2. Plug the USB storage device into the projector.
3. The system will detect the Firmware version and display the above dialogue
message.
4. By selecting Yes, a progress bar will appear as the update process begins.
5. After reaching 100%, the projector will restart
for a few minutes. The whole updating process will take about 10 minutes.
6. After updating the Firmware, it will take a few minutes to restart the projector.
NOTE: Only the USB Type A port can support Firmware updating (USB format:
FAT32).
and the screen will turn to black
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