Characters Are Distorted Or Incorrect; System Cooling Fans Do Not Rotate; Diskette Drive Activity Led Does Not Light - NEC Express5800/120Mc2 User Manual

Characters are Distorted or Incorrect

Check the following:
Are the brightness and contrast controls properly adjusted on the video display?
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Refer to the documentation supplied with your video display.
Are the video monitor's signal and power cables properly installed?
!
If the problem persists, the video monitor may be faulty or it may be the incorrect
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type. Contact your service representative for assistance.

System Cooling Fans Do Not Rotate

Note:
fans) behind the hard disk drives. There are also three fans one
directly in front of and two directly behind the system board and
another cooling fan that is an integral part of each power supply.
There are no serviceable components inside the power supply. If the
power supply is opened, the manufacturer's warranty is voided.
Check the following:
Is AC power available at the wall outlet?
!
Are the system power cords properly connected to the power supplies and the AC
!
wall outlets?
Are the power connectors for the cooling fans connected? See the "Monitor Matrix"
!
table in Appendix C.
Is the front panel power on indicator lit?
!
If the switches and connections are correct and the power outlet is functioning, the
power supply has probably failed. Contact your service representative for assistance.

Diskette Drive Activity LED Does Not Light

Check the following:
Are the diskette drive's power and signal cables properly installed?
!
Is the diskette drive properly configured?
!
Is the diskette drive activity light always on? If so, the signal cable may be plugged
!
in incorrectly.
If you are using the onboard diskette drive controller, use BIOS Setup to make sure that
the diskette drive controller is set to Enabled. For information about running BIOS
Setup, refer to the "Configuring Your System" chapter.
If the problem persists, there may be a problem with the diskette drive, system board, or
drive signal cable. Contact your service representative for assistance.
The system has a cooling fan module (containing three
Problem Solving 5-11