Apple Mac mini Manual De Usuario

Mac mini (Mid 2010) Symptom Charts — Startup and Power 

2010-08-03

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  

4.  If system generates error tones there may be an 

issue with the SDRAM or backup battery. See 

KBase article  

5.  Identifying when in the startup process the 

computer hangs can help isolate the issue.  

See KBase article  

for information on the Macintosh startup 

sequence, error codes and symbols used.