Lenovo ThinkServer RS160, User Manual And Hardware Maintenance Manual

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Symptom Action
3. Reconnect the power cable(s).
4. Reconnect the signal cable(s).
5. Replace the affected signal cable(s).
Memory module problems
Symptom Action
The amount of system memory that is
displayed is less than the total capacity
of the installed physical memory modules
and you suspect a memory module
problem.
1. Ensure that:
• All memory modules are the correct type supported by the server.
See “Memory module” on page 53.
• You followed the memory module installation rules. See “Memory
module” on page 53.
• All memory modules are seated correctly and securely.
• The system firmware is up-to-date.
2. If you have any diagnostic programs, run the diagnostic programs to
test the memory modules.
3. Reinstall the memory modules.
4. Replace the suspect memory modules.
5. (Trained service technician only) Replace the system board.
USB device problems
Symptom Action
A USB device does not work.
1. Ensure that:
• The USB cable is securely connected to the server. If the USB
device is connected to a USB hub, disconnect the device from the
hub and connect it directly to the server.
• The device drivers are installed properly.
• The USB controller is enabled in the Setup Utility program. See
“Using the Setup Utility program” on page 29.
2. Restart the server.
3. Replace the USB device.
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ThinkServer RS160 User Guide and Hardware Maintenance Manual