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Keyboard, mouse, or pointing-device problems
Symptom
All or some keys on the
keyboard do not work.
The mouse or pointing device
does not work.
Memory problems
Symptom
The amount of system memory
displayed is less than the
amount of physical memory
installed.
Microprocessor problems
Symptom
The server emits a continuous
tone during POST. (The startup
(boot) microprocessor is not
working properly.)
Suggested action
v Make sure that the keyboard cable is securely connected to the server and that
the keyboard and mouse cables are not reversed.
v Make sure that the server and the monitor are turned on.
v Try using another keyboard.
If the problem remains, call for service.
v Make sure that the mouse or pointing-device cable is securely connected to the
server and that the keyboard and mouse cables are not reversed.
v Make sure that the mouse device drivers are installed correctly.
v Make sure that the server and the monitor are turned on.
v Try using another mouse or pointing device.
If the problem remains, call for service.
Suggested action
Make sure that:
v The DIMMs are seated correctly.
v You have installed the correct type of memory.
v If you changed the memory, you updated the memory configuration in the
Configuration/Setup Utility program.
v All banks of memory are enabled. The server might have automatically disabled
a memory bank when it detected a problem, or a memory bank might have been
manually disabled.
Check the POST error log for a error message 289:
v If the DIMM was disabled by a system-management interrupt (SMI), replace the
DIMM.
v If the DIMM was disabled by the user or by POST, run the Configuration/Setup
Utility program and enable the DIMM.
v If this error remains, replace the DIMM.
If the problem remains, call for service.
Suggested action
The startup (boot) microprocessor is not working correctly. Make sure that the
startup microprocessor is seated correctly. If it is, replace the startup
microprocessor.
If the problem remains, call for service.
Chapter 6. Solving problems
63
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