IBM NetVista Hardware Manual page 56

Table 2-3 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.
CD-ROM drive cannot load or
eject when the system is
turned on and its eject button
is pressed and held.
CD-ROM drive does not read
and there are no error codes
or messages are displayed.
CD-ROM drive can play audio
CD but no sound output.
Real-time clock is inaccurate.
Audio software program invokes
but no sound comes from
speakers.
Video memory test failed.
Video adapter failed.
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.
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Action/FRU
CD-ROM drive power.
"CD-ROM Drive" on page 63.
CD-ROM drive
CD may have dirt or foreign material on it. Check with a known good
disc.
Make sure that the CD-ROM driver is installed properly.
CD-ROM drive.
Make sure that the headphone jack of the CD-ROM has an output,
then check if the audio cable from CD-ROM drive to system board CD
audio connector is connected properly.
Turn up the sound volume.
Speaker power/connection/cable.
CD-ROM drive.
Real-Time Clock
Make sure that the information in the Date and Time of BIOS Setup is
set correctly.
Load default settings.
RTC battery.
System board
Audio
Speaker power/connection/cable.
Video and Monitor
Remove all non-factory cards.
Load default settings (if screen is readable).
System board
Monitor signal connection/cable.
Monitor
System board
Monitor signal connection/cable
Monitor
System board