5. TroubleshootingExpress5800/R120f-2E, T120f Maintenance Guide40Chapter 1 Maintenance5.7 Problem of Using Internal Devices and Other Hardware[?] Unable to access the internal or external devices Are cables properly connected?→ Make sure that the interface cables and power cord are properly connected. Also make sure that thecables are connected in the correct order. Is the power-on order correct?→ When the server has any external devices connected, power on the external devices first, then theserver. Did you install drivers for connected optional devices?→ Some optional devices require specific device drivers. Refer to the manual that comes with the device toinstall its driver. Is option board setting correct?→ Refer to the manual that comes with the board for details to specify I/O port address, and other settingscorrectly.[?] The keyboard or mouse does not work Is the cable properly connected?→ Make sure that the cable is connected to the connector on the front or rear of the server. Is BIOS configuration correct?→ Check the BIOS settings with BIOS Setup Utility. Are the server drivers installed?→ Refer to the manual that comes with your OS to check that the keyboard and mouse drivers are installed.[?] Unable to access the hard disk drive Is the hard disk drive supported by the server?→ Operation of any device that is not authorized by NEC is not supported. Is the hard disk drive properly installed?→ Check the hard disk drive installation status and the cable connections.
