IBM 2283 Hardware Maintenance Service page 86

Error Symptoms
Display problem:
- Incorrect colors
- No high intensity
- Missing, broken, or
incorrect characters
- Blank monitor(dark)
- Blank monitor(bright)
- Distorted image
- Unreadable monitor
- Other monitor problems
Display changing colors.
Display problem not listed
above (including blank or
illegible monitor).
NOTE: Execute "Load BIOS Default Settings" in
Configuration/Setup Utility to confirm ports' presence
before diagnosing any parallel/serial ports problems.
Serial or parallel port loop-
back test failed.
Printing failed.
Printer problems.
54 IBM Desktop System HMM
1. Monitor signal
2. Monitor
3. Video adapter card
4. System board
1. Monitor signal
2. Monitor
3. System board
1. "Monitor" on page 75.
2. Load default settings
3. System board
Parallel/Serial Ports
1. Make sure that the
2. Loop-back.
3. System board.
1. Ensure that the printer
2. Refer to the service
3. Printer.
4. Printer cable.
5. System board.
1. Refer to the service
Joystick
Action/FRU
connection/cable.
connection/cable
(if screen is readable).
LPT# or COM# you test
is the same as is set in
Configuration/Setup
Utility.
driver is properly
installed.
manual for the printer.
manual for the printer.