Lenovo 3719 Performing the checkout procedure, Diagnosing a problem, Determine what has changed

vIf the server is halted and a POST error code is displayed, see “POST error codes” on page 30. If the server is halted and no error message is displayed, see “Troubleshooting tables” on page 64 and “Solving undetermined problems” on page 124.

vFor information about power-supply problems, see “Solving power problems” on page 123 and “Power-supply LEDs” on page 88.

vFor intermittent problems, check the system-event log; see “Event logs” on page 27, “System-event log” on page 38, and “Diagnostic programs, messages, and error codes” on page 90.

Performing the checkout procedure

To perform the checkout procedure, complete the following steps:

1.Is the server part of a cluster? v No: Go to step 2.

v Yes: Shut down all failing servers that are related to the cluster. Go to step 2.

2.Complete the following steps:

a. Turn off the server and all external devices.

b. Check all cables and power cords.

c. Check all internal and external devices for compatibility at

http://www.lenovo.com/thinkserver and then click Options. Open the Server

Options Guide.pdf.

d. Set all display controls to the middle positions.

e. Turn on all external devices.

f. Turn on the server. If the server does not start, see “Troubleshooting tables”

on page 64.

g. Check the system-error LED on the operator information panel (see

Chapter 6, “Locating Server Controls and connectors,” on page 127). If it is

flashing, check the EasyLED diagnostics LEDs (see “EasyLED diagnostics”

on page 76).

h. Check for the following results:

v Successful completion of POST

v Successful completion of startup, indicated by a readable display of the

operating-system desktop

3. Are there readable instructions on the main menu?

v No: Find the failure symptom in “Troubleshooting tables” on page 64; if

necessary, see “Solving undetermined problems” on page 124.

v Yes: Run the diagnostic programs (see “Running the diagnostic programs” on

page 90).

– If you receive an error, see “Diagnostic messages” on page 91.

– If the diagnostic programs were completed successfully and you still

suspect a problem, see “Solving undetermined problems” on page 124.

Diagnosing a problem

Before you contact Lenovo or an approved warranty service provider, follow these procedures in the order in which they are presented to diagnose a problem with your server:

1. Determine what has changed.

22ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual