Acer Aspire 7736ZG Service Guide - Page 93

Troubleshooting - test

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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) Power failure. (The power indicator does not go on or stay on.) POST does not complete. No beep or error codes are indicated. POST detects an error and displayed messages on screen. Other symptoms (i.e. LCD display problems or others). Symptoms cannot be re-created (intermittent problems). Go To "Power System Check" on page 87. "Power-On Self-Test (POST) Error Message" on page 88 "Undetermined Problems" on page 102 "Error Message List" on page 90 "Power-On Self-Test (POST) Error Message" on page 88 Use the customer-reported symptoms and go to "Power-On Self-Test (POST) Error Message" on page 88 "Intermittent Problems" on page 101 "Undetermined Problems" on page 102 Chapter 4 85

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Chapter 4
85
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 on or stay on.)
“Power System Check” on page 87.
POST does not complete. No beep or error
codes are indicated.
“Power-On Self-Test (POST) Error
Message” on page 88
“Undetermined Problems” on page 102
POST detects an error and displayed
messages on screen.
“Error Message List” on page 90
Other symptoms (i.e. LCD display problems
or others).
“Power-On Self-Test (POST) Error
Message” on page 88
Symptoms cannot be re-created
(intermittent problems).
Use the customer-reported symptoms and
go to “Power-On Self-Test (POST) Error
Message” on page 88
“Intermittent Problems” on page 101
“Undetermined Problems” on page 102
Troubleshooting
Chapter 4