If there is no sound when you expect it or the
volume is too low or high, try the following solutions:
- Adjust the
projector's volume settings.
- Press the
A/V mute button on the
projector remote control to resume video and audio if they were
temporarily stopped.
- Make sure the Audio Out
Device settings are correct.
- Check your
computer or video source to make sure the volume is turned up and
the audio output is set for the correct source.
- Check the cable connection between the projector and
your video source.
- Try disconnecting and reconnecting the audio
cable.
- Check the audio out cable connection between the
projector and your external speakers.
- 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 an ARC-compatible A/V system, make
sure it is connected to the projector's ARC-compatible HDMI port
and set the HDMI Link and
Audio Out Device settings
accordingly.
- 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 directly to
your speaker system.
- If you hear a hissing sound from your projector's
speakers when projecting from a computer running Windows 10 over a
network, you may need to adjust the Windows 10 sound
properties:
- Right-click the speaker icon in the Windows taskbar
and select Sounds.
- Click the Playback
tab, select the playback device, and click Properties.
- Click the Advanced
tab, set the sample rate and bit depth setting to 16 bit, 44100 Hz (CD Quality), click
Apply, and click OK.
Note: These
steps may vary depending on the Windows 10 version you are
using.
- 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.