Acer 4740 Laptop User Manual


 
Chapter 4 65
Use the following procedure as a guide for system 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 67.
POST does not complete. No beep or error codes
are indicated.
“Power-On Self-Test (POST) Error
Message” on page 68
“Undetermined Problems” on page 80
POST detects an error and displayed messages on
screen.
“” on page 69
Other symptoms (i.e. LCD display problems or
others).
“Power-On Self-Test (POST) Error
Message” on page 68
Symptoms cannot be re-created (intermittent
problems).
Use the customer-reported symptoms
and go to “Power-On Self-Test (POST)
Error Message” on page 68
“Intermittent Problems” on page 79
“Undetermined Problems” on page 80
Troubleshooting
Chapter 4