Apple Mac mini Manual De Usuario

Mac mini (Mid 2010) Symptom Charts — Input/Output Devices 

2010-08-03

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 first 

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 verified his display volume 

level was above zero and not muted.

6.  (HDMI) Check that customer verified that his 

HDMI display model audio compatibility ( early 

HDMI displays do not support audio, or only 

some audio modes)

7.  Go to Deep Dive.

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.