SERVICE PROCEDURES 65
Replacing the motherboard
Follow the procedures in this section to replace the motherboard. Failure to follow the
instructions in this section may corrupt the system (not easily repaired in the field) or result in
an incomplete installation (see “Error messages” on page 76).
Troubleshooting cautions
• Before deciding to install a new motherboard, consult “Troubleshooting” on page 120.
• Inspect all cables and internal components as described on pages 122 and 123. If these
inspections do not solve the problem, locate symptoms in the troubleshooting table
beginning on page 130 and perform the suggested actions in the order listed.
• If troubleshooting strategies (checking cables and connections, reinstalling system
software, and so forth) do not solve the problem, and you suspect that either the HDD or
the motherboard is faulty, always troubleshoot in the following order:
(Troubleshooting in the wrong order will cause the system to malfunction. In general, it is
highly unlikely that both the HDD and the motherboard are defective; therefore, avoid
replacing both to solve one problem.)
– First, replace the HDD and install system software.
Always replace a faulty HDD with a new HDD. Transferring a HDD from one E-41
to another is incorrect and strongly discouraged.
– If the problem persists, reinstall the original HDD in the system, and then replace the
motherboard.
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