Acer 2420 manual Troubleshooting, Symptoms Verified Go To

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 go	“Power System Check” on page 67.
on or stay on.)
POST does not complete. No beep or error	“Power-On Self-Test (POST) Error Message” on
codes are indicated.	page 70
	“Undetermined Problems” on page 82
POST detects an error and displayed messages	“Error Message List” on page 71
on screen.
Other symptoms (i.e. LCD display problems or	“Power-OnSelf-Test (POST) Error Message” on
others).	page 70
Symptoms cannot be re-created (intermittent	Use the customer-reported symptoms and go to
problems).	“Power-On Self-Test (POST) Error Message” on
	page 70
	“Intermittent Problems” on page 81
	“Undetermined Problems” on page 82

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