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KVM switch problems
1. Make sure that the KVM switch is supported by your server.
2. Make sure that the KVM switch is powered on correctly.
3. If the keyboard, mouse or monitor can be operated normally with direct connection to the server, then
replace the KVM switch.
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 V3 system setup
interface. Then, click System Settings ➙ Devices and I/O Ports ➙ USB Configuration.
3. If you are using a USB hub, disconnect the USB device from the hub and connect it directly to the
server.
Optional-device problems
Use this information to solve problems related to optional devices.
• "External USB device is not recognized" on page 419
• "PCIe adapter is not recognized or is not functioning" on page 419
• "A Lenovo optional device that worked previously does not work now" on page 420
• "A Lenovo optional device that was just installed does not work." on page 420
• "A Lenovo optional device that worked previously does not work now" on page 420
External USB device is not recognized
Complete the following steps until the problem is resolved:
1. Update the UEFI firmware to the latest version.
2. Make sure that the proper drivers are installed on the compute node. See the product documentation for
the USB device for information about device drivers.
3. Use the Setup utility to make sure that the device is configured correctly.
4. If the USB device is plugged into a hub or the console breakout cable, unplug the device and plug it
directly into the USB port on the front of the compute node.
PCIe adapter is not recognized or is not functioning
Complete the following steps until the problem is resolved:
1. Update the UEFI firmware to the latest version.
2. Check the event log and resolve any issues related to the device.
3. Validate that the device is supported for the server (see
). Make sure that the firmware level on the device is at the latest supported level and update
index.shtml
the firmware if applicable.
4. Make sure that the adapter is installed in a correct slot.
5. Make sure that the proper device drivers are installed for the device.
6. Resolve any resource conflicts if running legacy mode (UEFI). Check legacy ROM boot orders and
modify the UEFI setting for MM config base.
https://static.lenovo.com/us/en/serverproven/
.
Chapter 5
Problem determination
419
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