50
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
Monitor signal connection/cable.
Monitor
Video adapter card (for 2171/2172).
System board
Display changing colors. Monitor signal connection/cable
Monitor
System board
Display problem not listed
above (including blank or
illegible monitor).
“Monitor” on page 68.
Load default settings (if screen is readable).
System board
Parallel/Serial Ports
NOTE:
Execute “Load BIOS Default Settings” in BIOS Setup to confirm ports'
presence before diagnosing any parallel/serial ports problems.
Serial or parallel port loop-back
test failed.
Make sure that the LPT# or COM# you test is the
same as is set in BIOS Setup.
Loop-back.
System board.
Printing failed. Ensure that the printer driver is properly installed.
Refer to the service manual for the printer.
Printer
Printer cable.
System board.
Printer problems. Refer to the service manual for the printer.
Table 2-3 Error Symptoms List
(Continued)
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.
Error Symptoms Action/FRU
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