The YG300 projector manual does not recommend opening the projector to fix any issues. Doing so may cause damage to the device and void the warranty. If you are experiencing issues with your projector, refer to the troubleshooting section of the manual or contact customer support for assistance.
It is crucial to acknowledge that trying to open the YG300 projector might potentially lead to voiding the warranty service. Hence, it is highly advisable to consult the manual for troubleshooting and maintenance instructions.