Acer Aspire X3950 Service Guide - Page 61

System Troubleshooting Chapter 4 This chapter provides instructions on how to troubleshoot system hardware problems. Hardware Diagnostic Procedure IMPORTANT:The diagnostic tests described in this chapter are only intended to test 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 recreate the failure by running the diagnostic tests or repeating the same operation. 3. Refer to the following sections to determine which corrective action to perform.  System Check Procedures  Checkpoints  Error Messages  Undetermined Problems Chapter 4 53