ViewSonic M2W User Manual page 65

Firmware Update by USB
1. Download the latest version from the ViewSonic website and copy the file to a
USB device.
2. Plug the USB into the projector, then go to: Home > Setting > Firmware Upgrade
> Software Update By USB.
3. Select Enter by pressing OK on the remote control.
4. The system will detect the Firmware version and display the above dialog
message.
5. By selecting Yes, a progress bar will appear as the update process begins.
6. After reaching 100%, the projector will restart
for a few minutes.
7. After updating the Firmware, it will take a few minutes to restart the projector.
The whole updating process will take about 10 minutes.
and the screen will turn to black
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