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Mac mini (Mid 2010) Symptom Charts — Startup and Power 21
2010-08-03
Won’t Start Up
Quick Check
Symptoms Quick Check
Won’t Start Up
• No startup chime
• Error tones during startup.
• Grey screen with fan noise, or
other noise.
• Will not progress beyond
Apple logo or spinning gear.
1. Isolate by starting up from :
-the original install DVD media inserted in Mac
mini optical drive or in the optical drive of
another computer set up in FireWire Target Disk
Mode ,
-from the same Mac mini model setup in FireWire
Target Disk Mode,
-from a compatible known-good OS on an
external drive.
Note that both AirPort and Bluetooth services are
available when booted from the Mac mini Install
DVD.
2. Reset SMC and PRAM to clear any stored,
corrupted information.
3. Start up in Safe Mode by holding the shift key
down during startup to load only required kernel
extensions and disable all startup and login
items. See KBase article
http://support.apple.com/kb/HT1564
4. If system generates error tones there may be an
issue with the SDRAM or backup battery. See
KBase article
http://support.apple.com/kb/HT2341
5. Identifying when in the startup process the
computer hangs can help isolate the issue.
See KBase article
http://support.apple.com/kb/HT2674
for information on the Macintosh startup
sequence, error codes and symbols used.