Optional-Device Problems - Lenovo ThinkEdge SE350 V2 Hardware Maintenance Manual

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 compute nodes or chassis:
1. Make sure that the room temperature is within the specified range (see
2. Make sure that the fans are installed correctly.
3. Update the UEFI and XCC to the latest versions.
4. Make sure that the fillers in the server are installed correctly (see
procedures" on page 1
5. Use the IPMI command to ramp up the fan speed to the full fan speed to see whether the issue can be
resolved.
Note: The IPMI raw command should only be used by trained technician and the each system has its
own specific PMI raw command.
6. Check the management processor event log for rising temperature events. If there are no events, the
compute node is running within normal operating temperatures. Note that you can expect some
variation in temperature.
Cannot enter legacy mode after installing a new adapter
Complete the following procedure to solve the problem.
1. Go to UEFI Setup ➙ Devices and I/O Ports ➙ Set Option ROM Execution Order.
2. Move the operation system installed to the top of the list.
3. Select Save.
4. Reboot the system and auto boot to operation system.
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 168
• "A Lenovo optional device that worked previously does not work now" on page 169
• "A Lenovo optional device that was just installed does not work." on page 169
• "A Lenovo optional device that worked previously does not work now" on page 169
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.
ThinkEdge SE350 V2 Hardware Maintenance Guide
168
for detailed installation procedures).
"Specifications" on page
Chapter 1 "Hardware replacement
142).