Intermittent unexpected reboots
Note:
Some correctable errors require that the server reboot so that it can disable a device, such as a
memory DIMM or a processor to allow the machine to boot up properly.
1. If the reset occurs during POST and the POST watchdog timer is enabled, make sure that sufficient time
is allowed in the watchdog timeout value (POST Watchdog Timer).
To check the POST watchdog time, restart the server and press F1 to display the Lenovo XClarity
Provisioning Manager system setup interface. Then, click
BMC Settings
➙
POST Watchdog Timer
.
2. If the reset occurs after the operating system starts, disable any automatic server restart (ASR) utilities,
such as the Automatic Server Restart IPMI Application for Windows, or any ASR devices that are
installed.
3. See the management controller event log to check for an event code that indicates a reboot. See “Event
logs” on page 167 for information about viewing the event log.
Keyboard, mouse, or USB-device problems
Use this information to solve problems related to a keyboard, mouse, or USB device.
• “All or some keys on the keyboard do not work.” on page 178
• “Mouse does not work.” on page 178
• “USB-device does not work.” on page 178
All or some keys on the keyboard do not work.
1. Make sure that:
• The keyboard cable is securely connected.
• The server and the monitor are turned on.
2. If you are using a USB keyboard, run the Setup utility and enable keyboardless operation.
3. If you are using a USB keyboard and it is connected to a USB hub, disconnect the keyboard from the
hub and connect it directly to the server.
4. Replace the keyboard.
Mouse does not work.
1. Make sure that:
• The mouse cable is securely connected to the server.
• The mouse device drivers are installed correctly.
• The server and the monitor are turned on.
• The mouse option is enabled in the Setup utility.
2. If you are using a USB mouse and it is connected to a USB hub, disconnect the mouse from the hub and
connect it directly to the server.
3. Replace the mouse.
USB-device does not work.
1. Make sure that:
• The correct USB device driver is installed.
• The operating system supports USB devices.
2. Make sure that the USB configuration options are set correctly in system setup.
Restart the server and press F1 to display the Lenovo XClarity Provisioning Manager system setup
interface. Then, click
System Settings
➙
Devices and I/O Ports
➙
USB Configuration
.
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ThinkSystem SR860 Maintenance Manual
Содержание ThinkSystem SR860
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