Acer Extensa 5220 Service Guide for TravelMate 5320, 5720, 5720G, Extensa 5220 - Page 111

Chapter 4 Troubleshooting Use 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, or modified options can give false errors and invalid system responses. 1. 2. 3. Obtain the failing symptoms in as much detail as possible. Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating the same operation. Use the following table with the verified symptom to determine which page to go to. Symptoms (Verified) Power failure. (The power indicator does not go on or stay on.) POST does not complete. No beep or error codes are indicated. POST detects an error and displayed messages on screen. Go To "Power System Check" on page 103. "Power-On Self-Test (POST) Error Message" on page 106 "Undetermined Problems" on page 120 "Error Message List" on page 107 Other symptoms (i.e. LCD display problems "Power-On Self-Test (POST) Error or others). Message" on page 106 Symptoms cannot be re-created (intermittent problems). Use the customer-reported symptoms and go to "Power-On Self-Test (POST) Error Message" on page 106 "Intermittent Problems" on page 119 "Undetermined Problems" on page 120 Chapter 4 101