IBM Aptiva 2156, Техническое обслуживание оборудования

Страница: 77 / 155

2-19
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 J18 (see “Machine Type 2156 System
Board Layout” on page 5-3) 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 2-
26.
Video and Monitor
Video memory test failed.
Video adapter failed.
Remove all non-factory cards.
Load default settings (if screen is readable).
System board