139Initial troubleshooting checklistUse the checklist below to eliminate the possible cause for the problemyou’re encountering.• AC power is available at the wall outlet?• Is the power supply module properly installed?• Is the system power cord properly plugged into the power supplymodule socket? and connected to a NEMA 5-15R outlet for100-120 V or a NEMA 6-15R outlet for 200-240 V?• Are all peripheral cables correctly connected and secured?• Did you press the system power button to turn the server on(power on indicator should be lit green)?• Are all device drivers properly installed?• Is hard disk drive(s) properly formatted and configured?• Are the BIOS configuration settings in the BIOS setup utilitycorrect?• Is the operating system properly loaded?Refer to the operating system documentation.• Are all hardware components compliant with the testedcomponents lists?• Are all internal cables correctly connected and secured?• Are the processors fully seated in their mainboard sockets?• Are all standoffs in the proper location and not touching anycomponents, causing a potential short?• Are all add-in expansion cards fully seated in their mainboardslots?• Are all system jumpers correctly set?• Are all switch settings on add-in boards and peripheral devicescorrect?To check these settings, refer to the manufacturer’sdocumentation that comes with them. If applicable, ensure thatthere are no conflicts (e.g., two add-in boards sharing the sameinterrupt.
