Chapter 7. Symptom-To-Fru Index; Hard Disk Drive Boot Error; Power Supply Problems; Beep Symptoms - Lenovo IdeaCentre H520g 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 the Chapter 4 "General checkout" on page 31. You can use this index to help you decide
which FRUs are needed when servicing a computer. If you are unable to correct the problem using this
index, go to "Undetermined problems" on page 63.
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, 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 (error codes 1962 and I999030X) can have the following causes.
Error
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/Verify
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.

Beep symptoms

Beep symptoms are tones or a series of tones separated by pauses (intervals without sound) during POST.
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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 program, format the
hard disk drive.
Replace the hard disk drive.
FRU/Action
Reseat connectors
Power cord
Power-on switch
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