Table Of Contents; Troubleshooting - Acer Aspire 7220 Service Manual

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).
Chapter 4
Go To
"Power System Check" on page 77
"Power-On Self-Test (POST) Error Message" on
page 80
"Undetermined Problems" on page 92
"Error Message List" on page 81
"Power-On Self-Test (POST) Error Message" on
page 80
Use the customer-reported symptoms and go to
"Power-On Self-Test (POST) Error Message" on
page 80
"Intermittent Problems" on page 91
"Undetermined Problems" on page 92
Chapter 4
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