It wasn't a movie. The YG300 wasn't projecting onto the wall anymore; it was projecting
Since there is no single "official" YG300 website, you can check these common locations: yg300 firmware link
: Format a USB stick (under 32GB) to FAT32 . It wasn't a movie
from your settings menu? If you provide it, I can help you narrow down exactly which update file you need for your specific hardware revision. yg300 firmware link
Place the firmware file in the root directory (don't put it in a folder). It is usually named something like MERGE.bin or update.img . The Update Process: Plug the USB into the projector while it is off . Turn the projector on. Navigate to Settings > System > Software Update (USB) .