Specific Problems And Corrective Actions - NEC MH4000 User Manual

Co n fi rmi n g L o ad i n g o f th e O p erati n g System

Specific Problems and Corrective Actions

Once the system boots up, the operating system prompt
appears on the screen. The prompt varies according to
the operating system. If the operating system prompt
does not appear, refer to Problems With Application
Software found later in this chapter.
This section provides possible solutions for the
following specific problems:
Power LED does not light
System cooling fans do not rotate
No characters appear on screen
Characters on the screen appear distorted or
incorrect
No beep or incorrect beep pattern
Floppy disk drive access LED does not light
Hard disk drive access LED does not light
The SCU does not boot
Problems with application software.
Try the solutions in the order given. If you cannot
correct the problem, contact your service
representative for assistance.
6-11
Problem Solving