![](/images/new-backgrounds/1179983/179983301x1.webp)
Confirming Loading of the Operating System
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.
Specific Problems and Corrective Actions
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.