IBM MICRO TOWER 2169 - Manual (Page 85)

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Table 2-3 Error Symptoms List
Error Symptoms Action/FRU
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 can
play audio CD but
no sound output.
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
Real-time clock is
inaccurate.
Make sure that the information in the
Date and Time of BIOS Setup is set
correctly.
Load default settings.
RTC battery.
System board
Audio
Audio software
program invokes
but no sound
comes from
speakers.
Speaker power/connection/cable.
Modem
Data/fax modem
software program
invokes but cannot
receive/send
data/fax.
“Factory-Installed Modem Card” on
page 91.
Video and Monitor
Video memory test
failed.
Video adapter failed.
Remove all non-factory cards.
Load default settings (if screen is
readable).
System board