IBM MICRO TOWER 2169 - Manual (Page 84)

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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.
Hard disk drive LED
fails to light, but
system operates
normally.
With the system power on, measure
the voltage of hard disk LED connector
CD-ROM Drive
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 95.
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.