User Guide193www.nec-computers.comProblems and SuggestionsContact your Authorised Service Representative if the suggested actions do not solvethe problem.Table 25: Problems and SuggestionsWhat to do What to doApplication software problems Make sure all cables are installed correctly.Verify that your system hardware configuration is set correctly. In Setup,check the values against the system settings that you previously recorded. Ifan error is evident (wrong type of drive specified, for example), make thechange in Setup and reboot the system. Record your change.Make sure the software is properly configured for the system. Refer to thesoftware documentation for information. Try a different copy of the software tosee if the problem is with the copy you are using.If other software runs correctly on the system, contact the vendor of the failingsoftware.Characters on screen are distortedor incorrectMake sure the brightness and contrast controls are properly adjusted. Makesure the monitor's video signal cable and power cables are properly installed.(Shut down system power before reconnecting cables.) Make sure yourmonitor is compatible with the video mode you have selected. (Check yourmonitor's documentation.)Characters do not appear on screen Make sure the monitor is plugged in and turned on. Are the brightness andcontrast controls properly adjusted? Make sure that the video signal cable isproperly connected. (Turn the system power off before reconnecting cables).Make sure your system's video adapter card is installed, enabled. Reboot thesystem.CMOS RAM settings are wrong If system settings stored in CMOS RAM change for no apparent reason (forexample, the time of day is in error), the backup battery may no longer haveenough power to maintain the settings. Replace the battery.Diskette drive light does not go onwhen drive is in use or is tested byPOST.Make sure the power and signal cables for the drive are properly installed.Check that the drive is properly configured and enabled in Setup.Hard drive light does not go onwhen drive is in use or is tested byPOST.Make sure the power and signal cables for the drive are properly installed.Make sure the front panel connector is securely attached to the motherboardheaders. Check that the drive is properly configured and enabled in Setup.Check the drive manufacturer's manual for proper configuration for remotehard disk drive activity.Power on light does not go on If the system is operating normally, check the connector between themotherboard and the front panel. If OK, the light may be defective.
