Acer Aspire 4743Z Aspire 4743 and 4743Z Notebook Series Service Guide - Page 177

Troubleshooting Introduction 0 This chapter contains information about troubleshooting common problems associated with the notebook. General Information 0 The following procedures are a guide for troubleshooting computer problems. The step by step procedures are designed to be performed as described. NOTE: NOTE: The diagnostic tests are intended for Acer products only. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Obtain as much detailed information as possible about the problem. 2. If possible, verify the symptoms by re-creating the failure through diagnostic tests or repeating the operation that led to the problem. 3. Use Table 4-1 with the verified symptom to determine the solution. Table 4-1. Common Problems Symptoms (Verified) Power On Issues No Display Issues LCD Failure Keyboard Failure Touchpad Failure Internal Speaker Failure Microphone Failure USB Failure WLAN Failure Bluetooth Failure Card Reader Failure Thermal Unit Failure Other Functions Failure Intermittent Problems Undetermined Problems 4. If the Issue is still not resolved, refer to Online Support Information. Troubleshooting 4-3