IBM Aptiva Hardware Maintenance Manual page 78

Table 2- 2 Error Symptoms List
Error Symptoms
NOTE: To diagnose a problem, first find the error symptom in the left
column. If directed to a check procedure, replace the FRU indicated in the
check procedure. If no check procedure is indicated, the first Action/FRU
listed in right column is the most likely cause.
Executing software shutdown
from Windows95 Start
menu cannot turn off
system. (Only pressing
power switch can force
system to turn off).
No system power, or power
supply fan is not running.
Any other problems.
Action/FRU
System board.
Ensure that a 3-wire standby power cable
from power supply to system board CN15 is
connected properly. See "2137 System
Board "on page 5-5 or "2138 System Board
Layout" on page 5-15)
"Power Supply" on page 2-39.
System board.
Other Problems
"Undetermined Problems" on page 2-44.
Check Procedures 2-25