Chapter 4 57Use 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 59.POST does not complete. No beep or errorcodes are indicated.“Insyde MobilePro BIOS POST Beep Code andPOST Messages” on page 61“Insyde MobilePro BIOS POST Codes” on page63“Undetermined Problems” on page 72POST detects an error and displayed messageson screen.“Insyde MobilePro BIOS POST Beep Code andPOST Messages” on page 61“Insyde MobilePro BIOS POST Codes” on page63Other symptoms (i.e. LCD display problems orothers).“Insyde MobilePro BIOS POST Beep Code andPOST Messages” on page 61“Insyde MobilePro BIOS POST Codes” on page63“Index of Symptom-to-FRU Error Message” onpage 67Symptoms cannot be re-created (intermittentproblems).Use the customer-reported symptoms and go to“Insyde MobilePro BIOS POST Beep Code andPOST Messages” on page 61“Insyde MobilePro BIOS POST Codes” on page63“Intermittent Problems” on page 71“Undetermined Problems” on page 72TroubleshootingChapter 4