Use 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 modified options 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 diagnostic test 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. You can 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 To

Power failure. (The power indicator does not go on or stay on.)

"Power System Check" on page 57

POST does not complete. No beep or error codes are indicated.

"Power-On Self-Test (POST) Error Message" on page 59

"Undetermined Problems" on page 70

POST detects an error and displayed messages on screen.

"Index of Error Messages" on page 60

Other symptoms (i.e. LCD display problems or others).

"Power-On Self-Test (POST) Error Message" on page 59

Symptoms cannot be re-created (intermittent problems).

Use the customer-reported symptoms and go to "Power-On Self-Test (POST) Error Message" on page 59

"Intermittent Problems" on page 69 "Undetermined Problems" on page 70

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