Chapter 4 65This chapter provides instructions on how to troubleshoot system hardware problems. If the problem can’t beresolved using the procedures described here, information for getting online technical assistance is alsoprovided.Hardware Diagnostic ProcedureIMPORTANT: The diagnostic tests described in this chapter are only intended to test Acer products. Non-Acerproducts, prototype cards, or modified options can give false errors and invalid systemresponses.1. Obtain as much detail as possible about the presented failure symptoms.2. Verify the symptoms by attempting to re-create the failure through diagnostic tests or by repeating thesame condition that precedes the symptoms.3. Refer the table below to determine which corrective action to perform.Problem Symptom Section to Refer toPower failure The power indicator does light up orstay lit.“Power System Check” on page 67POST failure POST does not complete. No beep orerror codes issued.“POST Error Message” on page 69“Undetermined Problems”POST detects an error and displayedmessages on screen.“POST Error Message” on page 69Specific componentfailureDysfunctional component symptoms(e.g. blurred LCD display).“POST Error Message” on page 69Intermittent failure Symptoms cannot be re-created Use the customer-reported symptomsand go to the “POST Error Message”section on page 69.“Intermittent Problems” on page 80System TroubleshootingChapter 4