Acer 7520 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	“Power System Check” on page 105.
not go on or stay on.)
POST does not complete. No beep or error	“Power-On Self-Test (POST) Error
codes are indicated.	Message” on page 108
	“Undetermined Problems” on page 122
POST detects an error and displayed	“Error Message List” on page 109
messages on screen.
Other symptoms (i.e. LCD display problems	“Power-On Self-Test (POST) Error
or others).	Message” on page 108
Symptoms cannot be re-created	Use the customer-reported symptoms and
(intermittent problems).	go to “Power-On Self-Test (POST) Error
	Message” on page 108
	“Intermittent Problems” on page 121
	“Undetermined Problems” on page 122

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