Epson PowerLite EB-L520U User Manual page 276

All of the status indicators light up, and the projector enters firmware update mode. The projector
appears as a removable drive on the connected computer.
5. Copy the downloaded firmware file onto the root (top) directory of the projector's removable drive.
Note: Do not rename the firmware file.
6. Safely remove the projector's removable drive from the computer, then disconnect the USB cable
from the projector.
The firmware update starts.
While the firmware is updating, the status indicators on the projector will blink. After the update is
complete, the projector will enter standby mode. If Direct Power On is enabled, the projector will restart.
After the update is complete, check the Version setting in the Management > Information menu to
confirm that the firmware was updated successfully.
Parent topic: Updating the Firmware
Related references
Where to Get Help (U.S. and Canada)
Where to Get Help (Latin America)
Initial Settings and Reset Options - Initial/All Settings Menu
Administration Settings - Management Menu
Related tasks
Connecting to a USB Device
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