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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 the parts listing in the Hardware Maintenance Manual 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.
Symptom Action
The server emits a continuous
beep during POST, indicating
that the startup (boot)
microprocessor is not working
correctly.
1. Make sure that the microprocessor is supported on this server.
2. (Trained service technician only) Make sure that the microprocessor is seated
correctly.
3. 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 problems
Some Lenovo monitors have their own self-tests. If you suspect a problem with
your monitor, see the information that comes with the monitor for instructions for
testing and adjusting the monitor.
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v See the parts listing in the Hardware Maintenance Manual 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.
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. Reseat the Remote Supervisor Adapter II SlimLine (if one is installed).
5. Replace the Remote Supervisor Adapter II SlimLine (if one is installed).
6. (Trained service technician only) Replace the system board.
The screen is blank.
1. Make sure that:
v The server is turned on. If there is no power to the server, see “Power
problems” on page 71.
v The monitor cables are connected correctly.
v The monitor is turned on and the brightness and contrast controls are
adjusted correctly.
v A single beep sounds when the server is turned on, indicating the successful
completion of POST..
2.
Make sure that the correct server is controlling the monitor, if applicable.
3. Make sure that damaged BIOS code is not affecting the video; see “Recovering
from a BIOS update failure” in the Hardware Maintenance Manual .
4. See “Solving undetermined problems” in the Hardware Maintenance Manual.
68 ThinkServer TS100 Types 6431, 6432, 6433, 6434: Installation Guide