Lenovo ThinkAgile VX 4-Socket 4U Certified Node, Руководство пользователя

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2. Reseat the serial port adapter.
3. Replace the serial port adapter.
Serial device does not work
1. Make sure that:
• The device is compatible with the server.
• The serial port is enabled and is assigned a unique address.
• The device is connected to the correct connector.
2. Reseat the following components:
a. Failing serial device.
b. Serial cable.
3. Replace the following components:
a. Failing serial device.
b. Serial cable.
4. (Trained technician only) Replace the system board.
Intermittent problems
Use this information to solve intermittent problems.
• “Intermittent external device problems” on page 261
• “Intermittent KVM problems” on page 261
• “Intermittent unexpected reboots” on page 262
Intermittent external device problems
Complete the following steps until the problem is solved.
1. Make sure that the correct device drivers are installed. See the manufacturer's website for
documentation.
2. For a USB device:
a. Make sure that the device is configured correctly.
Restart the server and press F1 to display the Lenovo XClarity Provisioning Manager Lite system
setup interface. Then, click
System Settings
➙
Devices and I/O Ports
➙
USB Configuration
.
b. Connect the device to another port. If using a USB hub, remove the hub and connect the device
directly to the server. Make sure that the device is configured correctly for the port.
Intermittent KVM problems
Complete the following steps until the problem is solved.
Video problems:
1. Make sure that all cables and the console breakout cable are properly connected and secure.
2. Make sure that the monitor is working properly by testing it on another server.
3. Test the console breakout cable on a working server to ensure that it is operating properly. Replace the
console breakout cable if it is defective.
Keyboard problems:
Chapter 10
.
Problem determination
261