NEC Express5800/320Lb Linux Guía de usuario descargar pdf (Pagina 225)

Troubleshooting 7-25

Fail to power off the server:

 Is the POWER switch enabled?

→ Restart the server and start the BIOS setup utility.

 Are you trying to turn off the power other than by pressing the POWER switch?

→ You cannot turn off the power of the server using the software command (e.g.,

Shutdown command). Press the POWER switch to turn off.

POST fails to complete:

 Is the DIMM installed?

→ At least a pair of DIMMs is required for operation.

 Is the memory size large?

→ The memory check may take a time if the memory size is large. Wait for a while.

 Did you perform any keyboard or mouse operation immediately after you started the

server?

→ If you perform any keyboard or mouse operation immediately after start-up, POST

may accidentally detect a keyboard controller error and stops proceeding. In such

a case, restart the server once again. Do not perform any keyboard or mouse

operation until the BIOS start-up message appears when you restart the server.

 Does the server have appropriate memory boards or PCI card?

→ Operation of the server with unauthorized devices is not guaranteed.

Fail to access to internal or external devices:

 Are cables properly connected?

→ Make sure that the interface cables and power cord are properly connected. Also

make sure that the cables are connected in the correct order.

 Is that device compliant with NEC Express5800/ft series?

→ Operation of the server with unauthorized devices is not guaranteed.

 Is the power-on order correct?

→ When the server has any external devices connected, power on the external

devices first, then the server.

 Did you install drivers for connected optional devices?

→ Some optional devices require specific device drivers. Refer to the manual that

comes with the device to install its driver.

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NEC Express5800/320Lb Linux Guía de usuario Pagina 225