TROUBLESHOOTING 109
Error messages and conditions
To address specific error messages or conditions, see “E-42B error messages and condition” on
page 110. Use the table to locate the problem or symptom that you want to fix, read about the
possible causes, and then perform the suggested actions to solve the problem.
Do not replace the hard disk drive and the motherboard at the same time. Doing so in the
wrong order, without transferring options to the new motherboard, will cause the system to
malfunction.
If troubleshooting strategies (checking cables and connections, reinstalling system software,
and so forth) do not solve the problem and you suspect that the hard disk drive or
motherboard is faulty, note that it is highly unlikely that the hard disk drive and the
motherboard are both defective; therefore, avoid replacing both to solve one problem. Always
troubleshoot in the following order.
• First, replace the hard disk drive and install system software.
Always replace a faulty hard disk drive with a new hard disk drive. Transferring a hard disk
drive from one E-42B to another is incorrect and strongly discouraged.
• If the problem persists, reinstall the original hard disk drive in the system, and then
replace the motherboard.
If replacing a component does not correct the problem, make sure that you reinstall the old
component back in the E-42B.
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