Lenovo ThinkSystem ST45 V3 - Audio Problems; Intermittent Problems; Keyboard, Mouse, KVM Switch or USB-Device Problems

Audio problems
The audio function is only supported on Windows Client OSs. Follow this procedure to disable the audio
function on Server OSs.
1. Turn on the server.
2. Before the operating system starts up, press F1 to enter the Setup Utility.
3. Select Devices ➙ Audio Setup ➙ Onboard Audio Controller ➙ Disabled.
Intermittent problems
Follow this procedure to solve intermittent problems.
•
“Intermittent external device problems” on page 171
• “Intermittent unexpected reboots” on page 171
Intermittent external device problems
Complete the following steps until the problem is solved.
1. Update the UEFI firmware to the latest versions.
2. Check the system event log and resolve any related problems. To view the system event log, go to
Setup Utility and select Event Logs ➙ View Smbios Event Log.
3. Make sure that:
• The latest version of corresponding driver is installed.
• The device is seated correctly without physical damage on the device or connector.
• Device firmware has been updated to the latest version.
• You followed the installation instructions that came with the device, and the device is installed
properly.
• You have not loosened any other installed devices or cables.
4. For a USB device:
a. Make sure that the device is properly configured and enabled in Setup Utility.
b. Connect the device to another USB port.
c. If the device is connected to a USB hub, remove the device from the hub, and connect it directly to
the server.
Intermittent unexpected reboots
Complete the following steps until the problem is solved.
1. Check the system event log and resolve any related problems. To view the system event log, go to
Setup Utility and select Event Logs ➙ View Smbios Event Log.
2. If the reboot occurs after the operating system starts, disable any automatic server restart (ASR) utilities
or any ASR devices that are installed.
3. Look into the event logs for an event code that indicates a reboot. See
“Event logs” on page 167 for
information about viewing the event log.
Keyboard, mouse, KVM switch or USB-device problems
Use this information to solve problems related to a keyboard, mouse, KVM switch or USB device.
•
“All or some keys on the keyboard do not work” on page 172
• “Mouse does not work” on page 172
Chapter 8. Problem determination 171