Acer Aspire 9920G Service Manual

Also see for Aspire 9920G Series: User guide User guide

Contents

Chapter 4 79Use the following procedure as a guide for computer problems.NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, ormodified options can give false errors and invalid system responses.1. Obtain the failing symptoms in as much detail as possible.2. Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeatingthe same operation.3. Use the following table with the verified symptom to determine which page to go to.Symptoms (Verified) Go ToPower failure. (The power indicator does not goon or stay on.)“Power System Check” on page 80.POST does not complete. No beep or errorcodes are indicated.“Power-On Self-Test (POST) Error Message” onpage 84“Undetermined Problems” on page 96POST detects an error and displayed messageson screen.“Error Message List” on page 85Other symptoms (i.e. LCD display problems orothers).“Power-On Self-Test (POST) Error Message” onpage 84Symptoms cannot be re-created (intermittentproblems).Use the customer-reported symptoms and go to“Power-On Self-Test (POST) Error Message” onpage 84“Intermittent Problems” on page 95“Undetermined Problems” on page 96TroubleshootingChapter 4