Chapter 7. Symptom-To-Fru Index; Hard Disk Drive Boot Error; Power Supply Problems; Diagnostic Error Codes - Lenovo THINKCENTRE 3317 Hardware Maintenance Manual

Chapter 7. Symptom-to-FRU index

The Symptom-to-FRU index lists error symptoms and possible causes. The most likely cause is listed first.
Always begin with Chapter 4 "General checkout" on page 33. This index can also be used to help you decide
which FRUs to have available when servicing a computer. If you are unable to correct the problem using this
index, go to "Undetermined problems" on page 65.
Notes:
1. If you have both an error message and an incorrect audio response, diagnose the error message first.
2. If you cannot run the diagnostic tests or you get a diagnostic error code when running a test, but did receive a
POST error message, diagnose the POST error message first.
3. If you did not receive any error message, look for a description of your error symptoms in the first part of this index.

Hard disk drive boot error

A hard disk drive boot error can have the following causes.
The start-up drive is not in the boot sequence in
configuration.
No operating system installed on the boot drive.
The boot sector on the start-up drive is corrupted.
The drive is defective.

Power supply problems

If you suspect a power problem, use the following procedures.
Check the following for proper installation.
• Power Cord
• On/Off Switch connector
• On/Off Switch Power Supply connector
• System Board Power Supply connectors
• Microprocessor(s) connection
Check the power cord for continuity.
Check the power-on switch for continuity.

Diagnostic error codes

Refer to the following diagnostic error codes when using the diagnostic tests. See "Running tests" on page
37 for the specific type for information about the Diagnostic programs.
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Error
Check/Verify
FRU/Action
Check the configuration and ensure the start-up drive is
in the boot sequence.
Install an operating system on the boot drive.
The drive must be formatted, do the following:
1. Attempt to back-up the data on the failing hard disk
drive.
2. Using the operating systems programs, format the
hard disk drive.
Replace the hard disk drive.
FRU/Action
Reseat connectors
Power Cord
Power-on Switch
43