•Check the audio cable connections between the projector and your video source.
•If you do not hear sound from an HDMI source, set the connected device to PCM output.
•Make sure any connected audio cables are labeled "No Resistance".
•If you are using the USB Display function, turn on the Output audio from the projector setting in the Epson USB Display Settings program on your computer.
•If you are using a Mac and you do not hear sound from an HDMI source, make sure your Mac supports audio through the HDMI port. If not, you need to connect an audio cable.
•If you want to use a connected audio source when the projector is off, set the Standby Mode option to Communication On and the A/V Output option to Always On.
•If you want to use a connected audio source when the projector is off, set the Standby Mode option to A/V Standby.
•If you turn the projector on immediately after turning it off, the cooling fans may run at high speed momentarily and cause an unexpected noise. This is normal.
Parent topic: Solving Image or Sound Problems
Related references
Projector Setup Settings - ECO Menu
Related tasks
Shutting Off the Picture and Sound Temporarily
Solving Projector or Remote Control Operation Problems
Check the solutions in these sections if you have problems operating the projector or remote control.
Solutions to Projector Power or
Solutions to Problems with the Remote Control
Solutions to Password Problems
Solutions When the Source Cannot Be Changed
Parent topic: Solving Problems
Solutions to Projector Power or Shut-Off Problems
If the projector does not come on when you press the power button or it shuts off unexpectedly, try the following solutions:
• Make sure the power cord is securely connected to the projector and to a working electrical outlet.
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