Lenovo PC 300 Hardware Maintenance Manual (HMM) for Aptiva, IBM PC300, and Net - Page 64

CD-ROM drive LED, Error Symptoms

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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. NOTE: Make sure CD-ROM drive is configured correctly in BIOS Setup, cable/jumper are set correctly and its laser beam is clean before diagnosing any CD-ROM drive problems. CD-ROM drive LED CD may have dirt or foreign material on it. Check with a flashes for more known good disc. than 30 seconds before LED shutting off. CD is not inserted properly. CD is damaged. Software asks to reinstall disc. Software displays a reading CD error. CD-ROM drive LED CD-ROM drive doesn't come on but works normally. CD-ROM drive CD-ROM drive power. cannot load or eject when the system is "CD-ROM Drive" on page 73. turned on and its CD-ROM drive eject button is pressed and held. CD-ROM drive CD may have dirt or foreign material on it. Check with a does not read and known good disc. there are no error codes or messages Make sure that the CD-ROM driver is installed properly. are displayed. CD-ROM drive. CD-ROM drive can Make sure that the headphone jack of the CD-ROM has an play audio CD but output, then check if the audio cable from CD-ROM drive to no sound output. 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 Make sure that the information in the Date and Time of inaccurate. 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 64

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64
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.
NOTE: Make sure CD-ROM drive is configured correctly in BIOS Setup,
cable/jumper are set correctly and its laser beam is clean before diagnosing any
CD-ROM drive problems.
CD-ROM drive LED
flashes for more
than 30 seconds
before LED
shutting off.
Software asks to
reinstall disc.
Software displays a
reading CD error.
CD may have dirt or foreign material on it. Check with a
known good disc.
CD is not inserted properly.
CD is damaged.
CD-ROM drive LED
doesn’t come on
but works normally.
CD-ROM drive
CD-ROM drive
cannot load or eject
when the system is
turned on and its
eject button is
pressed and held.
CD-ROM drive power.
"CD-ROM Drive" on page 73.
CD-ROM drive
CD-ROM drive
does not read and
there are no error
codes or messages
are displayed.
CD may have dirt or foreign material on it. Check with a
known good disc.
Make sure that the CD-ROM driver is installed properly.
CD-ROM drive.
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