Acer DT85 manual Diagnosing problems, 138

CHAPTER 4: Troubleshooting

Diagnosing problems

Use the following procedure as a guide for diagnosing notebook problems.

Important

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.

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

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

3Use the following table with the verified symptom to determine which page to go to.

Symptoms (Verified)	Go To
Power failure. (The power indicator	“Testing the power system” on page
does not go on or stay on.)	140
POST does not complete. No beep or	• “Power-On Self-Test (POST) error
error codes are indicated.	message” on page 143
	• “Undetermined problems” on page
	157
POST detects an error and displayed	“Index of error messages” on page 144
messages on screen.
Other symptoms (LCD display	“Power-On Self-Test (POST) error
problems or others).	message” on page 143
Symptoms cannot be re-created	• Use the customer-reported
(intermittent problems).	symptoms and go to “Power-On
	Self-Test (POST) error message” on
	page 143
	• “Intermittent problems” on page 156
	• “Undetermined problems” on page
	157

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