IBM Aptiva 2158 Hardware Maintenance Service page 77

Table 2-3 Error Symptoms List
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
CD/DVD-ROM drive cannot
load or eject when the system
is turned on and its eject button
is pressed and held.
CD/DVD-ROM drive does not
read and there are no error
codes or messages are
displayed.
CD/DVD-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.
(Continued)
See "CD-ROM Emergency-exit <option 1>" on page
145 and "CD-ROM Emergency-exit <option 2>" on
page 146.
Disconnect all cables from CD/DVD-ROM drive
except power cable, then press eject button to try to
unload the disk.
CD/DVD-ROM drive power.
CD/DVD-ROM drive
CD may have dirt or foreign material on it. Check
with a known good disc.
Ensure that the CD/DVD-ROM driver is installed
properly. See "CD/DVD-ROM Drive" on page 56.
CD/DVD-ROM drive.
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(for
2158) or CN8(for 2163/2164) is connected properly.
See "Machine Type 2158 System Board Jumpers
and Connectors" on page 131 and "Machine Type
2163 and 2164 System Board Jumpers and
Connectors" on page 135.
Turn up the sound volume.
Speaker power/connection/cable.
CD/DVD-ROM drive.
Real-Time Clock
Ensure that the information in the Date and Time of
BIOS Setup is set correctly. See "Date and Time" on
page 18.
Load default settings.
CMOS battery.
System board
Audio
Speaker power/connection/cable.
Action/FRU
Check Procedures 45