Acer TravelMate 520 TravelMate 520 Service Guide - Page 73

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. 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 repeating the same operation. 3. Use the following table with the verified symptom to determine which page to go to. Symptoms (Verified) Go To Power failure. (The power indicator does not go on or Power System check stay on.) POST does not complete. No beep or error codes are Symptom-to-FRU Index indicated. Undetermined Problems POST detects an error and displayed messages on screen. Error Messages List The diagnostic test detected an error and displayed a Running PQA Diagnostic Program FRU code. Other symptoms (i.e. LCD display problems or others). Error Symptom-to-FRU Index Symptoms cannot be re-created (intermittent problems). Use the customer-reported symptoms and go to Error Symptom-to-FRU Index. Intermittent Problems Undetermined Problems Chapter 4 67