Chapter 4

Troubleshooting

Use the following procedure as a guide for computer problems.

NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses.

1.Obtain the failing symptoms in as much detail as possible.

2.Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating the same operation.

3.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

“Power System Check” on page 53.

go on or stay on.)

 

 

 

POST does not complete. No beep or error

“Power-OnSelf-Test (POST) Error Message”

codes are indicated.

on page 55.

 

“Undetermined Problems” on page 68.

 

 

POST detects an error and displayed

“Error Message List” on page 56.

messages on screen.

 

 

 

Other symptoms (i.e. LCD display problems or

“Power-On Self-Test (POST) Error Message”

others).

on page 55.

 

 

Symptoms cannot be re-created (intermittent

Use the customer-reported symptoms and go

problems).

to “Power-On Self-Test (POST) Error

 

Message” on page 55.

 

“Intermittent Problems” on page 67.

 

“Undetermined Problems” on page 68.

 

 

Chapter 4

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Acer 8431 manual Troubleshooting