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Mac mini (Mid 2010) Symptom Charts — Input/Output Devices 70
2010-08-03
Audio: No Audio through HDMI or Mini DisplayPort connection.
Quick Check
Symptoms Quick Check
Audio: No audio through HDMI
or DisplayPort connection.
• No audio from external display
speaker.
1. Reset PRAM.
2. Connect a known-good HDMI/Mini DiplayPort
display and cables, Power on the display rst
then power on the Mac mini. Launch System
Preferences and select Sound/Output options.
Verify that the HDMI /DisplayPort audio sound
output option is available and selected.
3. Check that issue happens with every media
type (some copy protected media may not be
playable).
4. Check that customer is not using an additional
HDMI to DVI adapter or Mini DisplayPort to HDMI
adapter (some adapters may not carry the audio
signals)
5. Check that customer veried his display volume
level was above zero and not muted.
6. (HDMI) Check that customer veried that his
HDMI display model audio compatibility ( early
HDMI displays do not support audio, or only
some audio modes)
7. Go to Deep Dive.
Deep Dive
Check Result Action Code
1. Using known-good HDMI
or Mini DisplayPort display
and cables, select external
display audio output in System
Preferences Sound Output , and
verify that you can set System
Alert Sounds to same audio
port. Note: make sure that
audio output preferences are
not set to Mute.
Yes Go to step 3
No Go to step 2.