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Microprocessor problems
v
Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v
See Chapter 7, “Parts listing, TS200 Types 6522, 6523, 6524, 6525, 6526, 6528, 6529, and 6530,” on page 201 to
determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
v
If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
Trained service technician.
v
Go to the Lenovo support Web site 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
A microprocessor LED is lit
during POST, indicating that
the startup (boot)
microprocessor is not working
correctly.
1.
Make sure that the server supports the microprocessor.
2.
(Trained service technician only) Make sure that the microprocessor is seated
correctly.
3.
(Trained service technician only) Reseat the Microprocessor.
4.
Replace the following components one at a time, in the order shown, restarting
the server each time:
a.
(Trained service technician only) Microprocessor
b.
(Trained service technician only) System board
Monitor or video problems
Some monitors have their own self-tests. If you suspect a problem with your monitor, see the
documentation that comes with the monitor for instructions for testing and adjusting the monitor. If you
cannot diagnose the problem, call for service.
v
Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v
See Chapter 7, “Parts listing, TS200 Types 6522, 6523, 6524, 6525, 6526, 6528, 6529, and 6530,” on page 201 to
determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
v
If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
Trained service technician.
v
Go to the Lenovo support Web site 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
Testing the monitor
1.
Make sure that the monitor cables are firmly connected.
2.
Try using a different monitor on the server, or try using the monitor that is
being tested on a different server.
3.
Run the diagnostic programs. If the monitor passes the diagnostic programs,
the problem might be a video device driver.
4.
Replace the following components one at a time, in the order shown, restarting
the server each time:
a.
(Trained service technician only) System board
Chapter 4. Diagnostics
55
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