Справочник Пользователя для Apple LATE 2009

Mac mini (Late 2009) Symptom Charts — Startup and Power 

 2009-11-03

Unlikely cause:  Adapter, hard drive, optical drive, fan, or speaker.

Text and graphics appear fuzzy

• 

Image corrupted

• 

Set System Preferences/Display LCD panel to 

native resolution. Non-native resolutions are 

unable to produce optimal clarity.
Make sure all relevant software updates have 

been applied. Graphics driver updates may be 

included with software updates.
When the issue occurs take a screenshot of the 

display (Command-Shift-3). View the screen shot 

file on another known-good computer. If the 

image corruption can be seen in the screenshot 

then the issue is with the video drivers, software, 

or video/logic board. If the issue cannot be seen 

in the screenshot then the display and cable 

should be tested further.
Boot from install DVD or another known-good 

volume to determine whether a potential 

software/driver issue exists. 
Go to Deep Dive.

Boot from Install DVD and 

verify whether issue is still 

visible.

Yes

Go to step 2.

No

Issue likely caused by 

software or driver issue. 

Troubleshoot for software 

issues. Make sure all software 

updates have been installed.

Verify whether issue is visible 

on an external display attached 

to the DisplayPort or Mini-

DVI. Does the issue appear on 

“other” display port?

Yes

Issue is isolated to one type of 

display port. Go to step 3.

No

Go to step 5.