• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• If an action step is preceded by “(Trained technician only),” that step must be performed only by a trained
technician.
• Go to the support website at http://www.lenovo.com/support to check for technical information, hints, tips,
and new device drivers or to submit a request for information.
Symptom
Action
log again, the component that you just reinstalled is defective. Replace the
defective component.
• DIMMs 19 through 24 (see “Removing a memory module” on page 213 and
“Installing a memory module” on page 45).
• Fan 6 (see “Removing a hot-swap fan” on page 243 and “Replacing a
• Fan 5
• Dual-port network adapter, if one is present (see “Removing the dual-port
network adapter” on page 238 and “Replacing the dual-port network
adapter” on page 239).
• PCI riser-card assembly 2 (see “Removing a PCI riser-card assembly” on
page 220 and “Replacing a PCI riser-card assembly” on page 221).
• Optional adapter (if one is present) installed in PCI riser-card assembly 2 (see
“Removing an adapter” on page 225 and “Replacing an adapter” on page
226).
5. Follow actions in “Solving power problems” on page 156, if the OVER SPEC
LED on the light path diagnostics panel is still lit.
6. Replace the power supply if the OVER SPEC LED on the light path diagnostics
panel is still lit.
The server does not turn off.
1. Determine whether you are using an Advanced Configuration and Power
Interface (ACPI) or a non-ACPI operating system. If you are using a non-ACPI
operating system, complete the following steps:
a. Press
Ctrl+Alt+Delete
.
b. Turn off the server by pressing the power-control button and hold it down for
5 seconds.
c. Restart the server.
d. If the server fails POST and the power-control button does not work,
disconnect the power cord for 20 seconds; then, reconnect the power cord
and restart the server.
2. If the problem remains or if you are using an ACPI-aware operating system,
suspect the system board.
The server unexpectedly shuts
down, and the LEDs on the
operator information panel are
not lit.
See “Solving undetermined problems” on page 158.
Serial-device problems
Use this information to solve serial-device problems.
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