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Mac mini (Mid 2010) Symptom Charts — Input/Output Devices 69
2010-08-03
Deep Dive
Check Result Action Code
1. Verify whether boot chime
is present when system is
powered ON. Note: make sure
audio output preferences are
not set to mute and volume is
set to mid-range.
Yes Go to step 2
No Insert headphones into audio
out jack and retest. If issue
persists, replace logic board
M09
2. Launch System Preferences and
select Sound/Output options.
Set speaker balance to the
middle, then play a sound le.
Verify that sound is generated
by the speaker and that the
sound quality is acceptable..
Yes Speaker and amplier
circuitry OK. Go to step 3.
No Replace speaker. X08
3. Verify whether customer
reported audio issue has been
resolved.
Yes Issue no longer present.
Return system to customer.
No Go to step 4.
4. Boot system from Mac mini
Install DVD, from a similar Mac
mini setup as FireWire Target
Disk mode, or from another
bootable volume with an up
to date system software. Verify
whether issue still occurs.
Yes Go to step 5.
No Known good boot volume
works OK. Troubleshoot
for software issue. Isolate
whether issue is application
specic or whether possible
operating system conict.
Make sure user data backed
up before removing or
reinstalling software.
5. Connect external speakers
to Headphone Out port
and set System Preferences
Sound/Output to external
speakers, then play a sound
le. Verify that sound quality is
acceptable.
Yes Logic board, internal speaker,
and external headphone port
functioning correctly. Return
system to user.
No replace logic board M09