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• 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 Quick Startup option to
Off and make sure the A/V Settings options are set correctly.
• If the volume for the computer is set to the minimum while the projector's volume is set to maximum,
the noise may be mixed. Turn up the computer's volume and decrease the projector's volume.
• Make sure the Audio Output Device option is set to the correct audio port for your video device.
• Check the Mic Input Level setting and lower it, if necessary.
• 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:
Related references
Projector Setup Settings - ECO Menu
Related tasks
Shutting Off the Picture and Sound Temporarily
Solutions to Microphone Problems
If there is no sound when you use a microphone connected to the projector, try the following solutions:
• Make sure the microphone is securely connected to the projector.
• Adjust the Mic Input Level setting as necessary in the projector's menus.
• If you want to use the microphone when the projector is off, set the Quick Startup setting to Off and
make sure the A/V Settings options are set correctly.
Parent topic:
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 Shut-Off Problems
Solutions to Problems with the Remote Control
Solving Image or Sound Problems
Solving Problems
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