Acer TRAVELMATE 7730 Service Manual page 146

Diagnosing problems
Use the following procedure as a guide for diagnosing notebook problems.
Note:
Obtain the failing symptoms in as much detail as possible.
1
Verify the symptoms by attempting to re-create the failure by running the
2
diagnostic test or by repeating the same operation.
Use the following table with the verified symptom to determine which page to go
3
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 (LCD display problems
or others).
Symptoms cannot be re-created
(intermittent problems).
136
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.
"Testing the power system" on page 138
"Power-On Self-Test (POST) error message" on page 140
"Undetermined problems" on page 153
"Index of error messages" on page 141
"Power-On Self-Test (POST) error message" on page 140
Use the customer-reported symptoms and go to
On Self-Test (POST) error message" on page 140
"Intermittent problems" on page 152
"Undetermined problems" on page 153
Go To
Chapter 4: Troubleshooting
"Power-