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Error Symptoms
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.
Data/fax modem software
program invokes but cannot
receive/send data/fax
52
IBM Desktop System HMM
1. CD may have dirt or
2. Ensure that the CD/
3. CD/DVD-ROM drive.
1. Ensure that the
2. Turn up the sound
3. Speaker power/
4. CD/DVD-ROM drive.
Real-Time Clock
1. Ensure that the
2. Load default settings.
3. CMOS battery.
4. System board
Audio
1. Speaker power/
Modem
1. See "Factory-Installed
Action/FRU
foreign material on it.
Check with a known
good disc.
DVD-ROM driver is
installed properly. See
"CD/DVD-ROM Drive"
on page 65.
headphone jack of the
CD/DVD-ROM has an
output, then check if
the audio cable from
CD/DVD-ROM drive to
system board CN20 is
connected properly.
See "System Board
Jumpers and
Connectors" on page
117.
volume.
connection/cable.
information in the Date
and Time of
Configuration/Setup
Utility is set correctly.
connection/cable.
Modem Card" on page
60.
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