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• If the system restarts, add each of the items that you removed one at a time, restarting the system
each time, until the error occurs. Replace the item for which the error occurs.
• If the system does not restart, suspect the system board.
Unusual smell
Complete the following steps until the problem is solved.
1. An unusual smell might be coming from newly installed equipment.
2. If the problem remains, contact Lenovo Support.
Server seems to be running hot
Complete the following steps until the problem is solved.
Multiple servers or chassis:
1. Make sure that the room temperature is within the specified range (see
2. Check the management processor event log for rising temperature events. If there are no events, the
server is running within normal operating temperatures. Note that you can expect some variation in
temperature.
Cracked parts or cracked chassis
Contact Lenovo Support.
Optional-device problems
Use this information to solve problems related to optional devices.
•
"External USB device is not recognized" on page 155
•
"PCIe adapter is not recognized or is not functioning" on page 155
•
"Insufficient PCIe resources are detected." on page 156
•
"A Lenovo optional device that was just installed does not work." on page 156
•
"A Lenovo optional device that worked previously does not work now" on page 157
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.
"Specifications" on page
https://static.lenovo.com/us/en/serverproven/
.
Chapter 4
1).
Problem determination
155
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