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TECHNICAL SERVICE MANUAL
Troubleshooting
Use the following procedure as a guide for computer problems.
NOTE: The diagnostic tests are intended to test only our company's products. Other brand's 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.
3.
Test or by repeating the same operation.
4.
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.
The diagnostic test detected an error and displayed a
FRU code.
Other symptoms (i.e. LCD display problems or others).
Symptoms cannot be re-created (intermittent problems). Use the customer-reported symptoms and go to "Power-
Go To
"Power System Check" on page 75.
"Power-On Self-Test (POST) Error Message" on page
80
"Undetermined Problems" on page 86
"Error Message List" on page 80
"System Diagnostic Diskette" on page 43
"Power-On Self-Test (POST) Error Message" on page
80
On Self-Test (POST) Error Message" on page 80
"Intermittent Problems" on page 86
"Undetermined Problems" on page 86
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Prestigio Signore 152
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