Acer Aspire 4745Z Service Guide - Page 117

Troubleshooting Chapter 4 Common Problems 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 On Issue Page 108 No Display Issue Page 109 LCD Failure Page 111 Internal Keyboard Failure Page 111 TouchPad Failure Page 112 Internal Speaker Failure Page 112 ODD Failure Page 115 WLAN Failure Page 118 Thermal Unit Failure Page 118 Other Functions Failure Page 119 Intermittent Failures Page 120 Undermined Failures Page 120 4. If the Issue is still not resolved, see "Online Support Information" on page 167. Chapter 4 107