IBM Aptiva Series Hardware Maintenance page 75

Table 2- 2 Error Symptoms List
Error Symptoms
Display changing colors.
Display problem not listed
above (including blank
or illegible monitor).
Note: Execute "Load BIOS Default Settings" in BIOS Setup to
confirm parallel/serial ports' presence before the any diagnose of
parallel/serial ports drive problems.
Serial or parallel port
loop-back test failed.
Parallel port or serial port
failure.
Printing failed.
Printer problems.
Game port does not
respond at all or does
not work correctly.
2-22
Action/FRU
Monitor signal connection/cable
Monitor
System board
"Monitor" on page 2-42.
System board
Parallel/Serial Ports
Loop-back.
System board.
Test using a loop-back while running
diagnostics program
System board
Refer to the service manual for the
printer.
Printer
Printer cable
System board
Refer to the service manual for the
printer.
Joystick
Connected a joystick to game port and
execute "Interactive Test/Joystick"
test in diagnostic program.
Audio-I/O card connection/cable.
System board.