IBM Aptiva 2124 Hardware Maintenance Service page 83

Table 2- 2 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/DVD-ROM drive can play
audio CD but no sound
output.
Real-time clock is inaccurate. Ensure that the information in the Date and
Audio software program
invokes but no sound
comes from speakers.
Data/fax modem software
program invokes but cannot
receive/send data/fax
Action/FRU
Ensure that the headphone jack of the
CD/DVD-ROM has an output, then check if
the audio cable from CD/DVD-ROM drive to
system board CN15 (see "Machine Type
2153/K6 System Board "on page 5-3) or CN9
(see "Machine Type 2153/Celeron System
Board Layout" on page 5-8) is connected
properly.
Turn up the sound volume.
Speaker power/connection/cable.
CD/DVD-ROM drive.
Real-Time Clock
Time of BIOS Setup is set correctly.
Load default settings.
CMOS battery.
System board
Audio
Speaker power/connection/cable.
Modem
"Factory-Installed Modem Card" on page 2-
28.
Check Procedures 2-19