© Copyright IBM Corp. 2001 69Chapter 6. Symptom-to-FRU IndexThe Symptom-to-FRU index lists error symptoms and possible causes. The mostlikely cause is listed first. Always begin with "General Checkout" on page 1. Thisindex can also be used to help you decide which FRUs to have available whenservicing a computer. If you are unable to correct the problem using this index, go to“Undetermined problems” on page 107.Hard disk drive boot errorA hard disk drive boot error (error codes 1962 and I999030X) can have the followingcauses.Power Supply ErrorsIf the power-on indicator is not on, the power supply fan is not running, or thecomputer will not power-off, use the following procedures.Notes:• If you have both an error message and an incorrect audio response, diagnose the errormessage first.• If you cannot run the diagnostic tests or you get a diagnostic error code when running atest, but did receive a POST error message, diagnose the POST error message first.• If you did not receive any error message, look for a description of your error symptoms inthe first part of this index.• Check the hard disk drive jumper settings before you replace a hard disk drive.Error FRU/ActionThe start-up drive is not in the boot sequencein configuration.Check the configuration and ensure the start-up drive is in the boot sequence.No operating system installed on the bootdrive.Install an operating system on the boot drive.The boot sector on the start-up drive iscorrupted.The drive must be formatted, do the following:1. Attempt to access and recover (back-up)the failing hard disk drive.2. Using the operating systems programs,format the hard disk drive.The drive is defective. Replace the hard disk drive.