Memory Module Problems; Usb Device Problems - Lenovo ThinkServer TS460 User Manual And Hardware Maintenance Manual

Memory module problems

Symptom
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.

USB device problems

Symptom
A USB device does not work.
1. Ensure that:
• All memory modules are the correct type supported by the server.
See "Features and specifications of your server" on page 7.
• You follow the memory module installation rules. See "Memory
module installation rules" on page 58.
• All memory modules are seated properly 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.
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 37.
2. Restart the server.
3. Replace the USB device.
Action
Action
.
Chapter 6 Troubleshooting and diagnostics
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