Acer TravelMate 4000 Series Service Manual

Also see for TravelMate 2300 Series: User guide User guide User guide Service guide Service guide

Contents

Acer TravelMate 4000 Series Service Manual Manual pdf 75 page image

Chapter 4 69Use the following procedure as a guide for computer problems.NOTE: The diagnostic tests are intended to test this model. Non-Acer products, prototype cards, or modifiedoptions can give false errors and invalid system responses.1. Duplicate symptom and obtain the failing symptoms in as much detail as possible.2. Distinguish symptom. Verify the symptoms by attempting to re-create the failure by running the diagnostictest or by repeating the same operation.3. Disassemble and assemble the unit without any power sources.4. If any problem occurs, you can perform visual inspection before you fellow this chapter’s instructions. Youcan check the following:power cords are properly connected and secured;there are no obvious shorts or opens;there are no obviously burned or heated components;all components appear normal.5. Use the following table with the verified symptom to determine which page to go to.Symptoms (Verified) Go ToPower failure. (The power indicator does not goon or stay on.)“Power System Check” on page 71.POST does not complete. No beep or errorcodes are indicated.“Power-On Self-Test (POST) Error Message” onpage 73“Undetermined Problems” on page 85POST detects an error and displayed messageson screen.“Error Message List” on page 74Other symptoms (i.e. LCD display problems orothers).“Power-On Self-Test (POST) Error Message” onpage 73Symptoms cannot be re-created (intermittentproblems).Use the customer-reported symptoms and go to“Power-On Self-Test (POST) Error Message” onpage 73“Intermittent Problems” on page 84“Undetermined Problems” on page 85TroubleshootingChapter 4