5. TroubleshootingExpress5800/R120f-2E, T120f Maintenance Guide28Chapter 1 Maintenance5. TroubleshootingIf this system does not operate as intended, check it according to the contents of the following checklist beforesending it for repair. If an item in the checklist corresponds with a problem you are experiencing, follow thesubsequent check and processing instructions.If the system still does not operate normally, write down the messages displayed on the screen and then contactyour sales representative.5.1 Problem of Powering On[?] Fail to power on the server Is the server properly supplied with power?→ Check if the power cord connects to the power outlet (or UPS) that meets the power specifications for theserver.→ Use the power cord that comes with the server. Additionally, check the power cord for broken shield orbent 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 and it outputs power. Refer to themanual that comes with the UPS for details.Power supply to the server may be linked with UPS using the BIOS Setup utility. Are STATUS LEDs being lighted?→ Wait until both STATUS LEDs are unlit and press POWER Switch on the front of the server. Is Standby Power Save set to Enabled in BIOS settings?→ Press POWER Switch twice to start up the server.[?] The screen is not displayed→ Wait until the NEC logo appears.[?] The screen is sometimes changed to the black screen during POST process Are the BIOS settings of option ROM scan for plural on-board LANs specified to Enabled?→ Ignore the black screen and wait until POST ends.
