Acer Aspire 7100 Service Manual

Also see for Aspire 7100 System: Service guide Guía del usuario Manuel d'utilisation Manual do utilizador

Contents

Acer Aspire 7100 Service Manual Manual pdf 74 page image

Chapter 4 67Use 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 69.POST does not complete. No beep or errorcodes are indicated.“Power-On Self-Test (POST) Error Message” onpage 71“Undetermined Problems” on page 83POST detects an error and displayed messageson screen.“Error Message List” on page 72Other symptoms (i.e. LCD display problems orothers).“Power-On Self-Test (POST) Error Message” onpage 71Symptoms cannot be re-created (intermittentproblems).Use the customer-reported symptoms and go to“Power-On Self-Test (POST) Error Message” onpage 71“Intermittent Problems” on page 82“Undetermined Problems” on page 83TroubleshootingChapter 4