Lenovo ThinkSystem SR850, Maintenance Manual

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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 “Specifications” on page 1).
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 not recognized” on page 153
• “PCIe adapter is not recognized or is not functioning” on page 153
• “A Lenovo optional device that was just installed does not work.” on page 153
• “A Lenovo optional device that worked previously does not work now. ” on page 154
External USB device not recognized
Complete the following steps until the problem is resolved:
1. Make sure that the proper drivers are installed on the server. See the product documentation for the
USB device for information about device drivers.
2. Use the Setup utility to make sure that the device is configured correctly.
3. 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 resolved:
1. Check the event log and resolve any issues related to the device.
2. Validate that the device is supported for the server (see http://www.lenovo.com/serverproven/).
3. Make sure that the adapter is installed in a correct slot.
4. Make sure that the proper device drivers are installed for the device.
5. Resolve any resource conflicts if running legacy mode (UEFI).
6. Check http://datacentersupport.lenovo.com for any tech tips (also known as retain tips or service
bulletins) that might be related to the adapter.
7. Ensure any adapter external connections are correct and that the connectors are not physically
damaged.
A Lenovo optional device that was just installed does not work.
1. Check the XCC event log for any events associated with the device.
2. Make sure that the following conditions are met:
Chapter 4
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Problem determination
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