General problem determination procedures
Use the information in this section to resolve problems if the event log does not contain specific errors or the server is inoperative.
Power off the server.
Make sure that the server is cabled correctly.
- Remove or disconnect the following devices if applicable, one at a time, until you find the failure. Power on and configure the server each time you remove or disconnect a device.
Any external devices.
Surge-suppressor device (on the server).
Printer, mouse, and non-Lenovo devices.
Hard disk drives.
Memory modules until you reach the minimal configuration for debugging that is supported for the server.
To determine the minimal configuration for your server, see
Minimal configuration for debuggingin Technical specifications.
Power on the server.
If the problem is solved when you remove an adapter from the server, but the problem recurs when you install the same adapter again, suspect the adapter. If the problem recurs when you replace the adapter with a different one, try a different PCIe slot.
If the problem appears to be a networking problem and the server passes all system tests, suspect a network cabling problem that is external to the server.