Optional-device problems

• PCIe adapter is not recognized or is not functioning

• A Lenovo optional device that worked previously does not work now

• A Lenovo optional device that was just installed does not work

• A Lenovo optional device that worked previously does not work now

External USB device is not recognized​

Complete the following steps until the problem is solved.

1. Update the UEFI firmware to the latest version.

2. Make sure that the proper drivers are installed on the server. See the product documentation for the USB device for information about device drivers.

3. Use 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 server.

PCIe adapter is not recognized or is not functioning​

Complete the following steps until the problem is solved.

1. Make sure that:

   • The device is supported by the server (see Lenovo ServerProven website).

   • The latest version of corresponding driver is installed.

   • The device is seated correctly without physical damage on the device or connector.

   • System firmware has been updated to the latest version.

2. Remove the device and install it to another PCIe slot if possible.

3. Check Lenovo Data Center Support for any tech tips (also known as retain tips or service bulletins) that might be related to the adapter.

Insufficient PCIe resources are detected​

Complete the following steps until the problem is solved.

1. Remove any devices that were installed recently, and restart the server. If none was recently installed, remove one of the PCIe adapters.

2. Go to Setup Utility and select Devices > PCI Express Configuration; then, modify the setting to a lower speed. For example, modify the speed of PCIe x16 slot from Auto or Gen4 to Gen3, Gen2, or Gen1.

3. Save the settings and restart the server.

4. Depending on whether or not the restart is successful:

   • If it is successful, shut down the server and reinstall the removed PCIe adapters one at a time, and restart the server again after each addition.

   • If it fails, remove another PCIe adapter and restart the server again.

A Lenovo optional device that was just installed does not work​

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. Make sure that:

   • The device is supported by the server (see Lenovo ServerProven website).

   • The latest version of corresponding driver is installed.

   • The device is seated correctly without physical damage on the device or connector.

   • System 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.

3. Reseat the device.

4. Replace the device.

A Lenovo optional device that worked previously does not work now​

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. Make sure that all of the cables are securely connected.

3. If the device comes with test instructions, use those instructions to test the device.

4. Reseat the failing device.

5. Replace the failing device.