8. TroubleshootingExpress5800/R320e-E4, R320e-M4 Maintenance Guide (Linux)64Chapter 1 Maintenance8.1 Problems When Turning on the Server[?] Fail to power on the server: Is the server properly supplied with power? Check if the power cord is connected to a power outlet (or UPS) that meets the powerspecifications for the server. Make sure to use the power cord provided with the server. Check the power cord for broken shieldor bent plugs. Make sure the power breaker for the connected power outlet is on. If the power cord is plugged to a UPS, make sure the UPS is powered on and it supplies power.Refer to the manual that comes with the UPS for details.Check the linkage between power supply to the server and the connected UPS using the BIOSSETUP utility of the server Did you press the POWER switch? When power cord is connected, the initialization of management controller starts. Duringinitialization, the POWER LED is unlit. To power on the server, press the POWER switch after thePOWER LED is lit green. To power on the server, press the POWER switch after the ModulePOWER LED is lit green. (It may take about 1 minute until the Module POWER LED blinks ingreen after connecting the power cord.) Did you install the CPU/IO module properly? Check if the CPU/IO module is properly installed in the server. Secure the CPU/IO module withscrew located on the module handle.[?] The screen does not turn on: Wait until the NEC logo appears.[?] The screen showing nothing (black screen) appears several times during POST execution. This sever may switch the screen to the black screen several times during POST execution, but thereis not any problem.[?] POST fails to complete: Are the DIMMs installed? Check if DIMMs are installed correctly. 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 mayaccidentally detect a keyboard controller error and stops proceeding. In such a case, restart theserver. Do not perform any keyboard or mouse operation until the BIOS start-up message appearswhen you restart the server. Does the server have appropriate memory boards or PCI card? Operation of the server with unauthorized devices is not guaranteed. Did you install the CPU/IO module properly? Check if the CPU/IO module is properly installed in the server. Secure the CPU/IO module withscrew located on the module handle.
