Lesson 12. Troubleshooting an iMac (24-inch)
Reference Files
iMac (24-inch) service manual (c15_imac_24in.pdf)
Time
This lesson takes approximately 45 minutes to complete.
Goals
Identify the Intel-based Mac startup key combinations
Identify changes made to the startup management screens
Locate and describe known issues and solutions for the system
Given the symptom of “No Video,” return the product to normal operation
Describe the types of symptoms that resetting the SMC would likely resolve
Identify the diagnostic LED used to determine a “No Power” condition
Identify the diagnostic LED used to determine a “No Video” condition
In this lesson, we’ll review general troubleshooting procedures and symptom charts, providing an overview that will ...
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