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Mac mini (Mid 2010) Symptom Charts — Display 47
2010-08-03
Display
No Video
Unlikely cause: hard drive, optical drive, speakers
Quick Check
Symptoms Quick Check
No Video
• No image.
1. Check display DisplayPort or HDMI connections
2. Connect known-good display and cables,
3. For HDMI display, power on the display rst and
set AV input to HDMI, then power on the Mac
mini.
4. Check that customer display is directly connected
to computer with known-good cables.
5. Check connections for pin damage.
6. Reset PRAM.
7. Reset SMC.
8. Go to Deep Dive.
Deep Dive: No Video
Check Result Action Code
1. Verify boot chime present and
fans running when system
powered ON. (Reset SMC and
clear PRAM if necessary for
proper boot up.)
Yes Power ON self test OK. Boot
sequence started.
Go to step 2.
No Go to Won’t Start Up
symptom ow.
2. (DisplayPort) Connect known-
good external display via Mini
DisplayPort. Verify if image
appears correctly on external
display when system is booted.
Yes Video present. Verify system
functionality and return to
user or jump to appropriate
display troubleshooting ow.
No Go to step 3.
3. (HDMI) Connect known-good
external display via HDMI port.
Select correct HDMI input on
display and verify if image
appears correctly on external
display when system is booted.
Yes Video circuitry on logic
board functional. Return
to customer or jump to
appropriate display issue
troubleshooting ow.
No Go to step 4