SYMPTOM-TO-FRU INDEX
Symptom / Error
FRU / Action in Sequence
No beep during POST but
system runs correctly.
1. Turn the volume up
and check the
speaker.
2. Speaker
3. System board
Audio-Related Symptoms
Symptom / Error
FRU / Action in Sequence
In OS/2, DOS, or Windows
multimedia programs, no
sound comes from the
computer. (Only system
beeps are heard at
power-on.)
Check that the device
driver is installed
correctly.
CD-ROM-Related Symptoms
Symptom / Error
FRU / Action in Sequence
You hear a noise from the
CD-ROM drive when the
CD-ROM is spinning.
1. CD-ROM drive
2. System board
The CD-ROM tray does not
open even if you press the
CD-ROM eject button.
Insert a pin into the
CD-ROM emergency eject
hole and eject the
CD-ROM tray.
The compact disc cannot be
read.
Make sure that:
The compact disc is
not dirty. If it is, clean
it with a CD-ROM
cleaner kit.
The compact disc is
not defective. If it is,
try another compact
disc.
The compact disc is
placed in the tray with
the label side up.
The compact disc
format conforms with
one of the following:
–
Music CD
–
CD-ROM or
CD-ROM XA
–
Multisession
photo CD
–
Video CD and
CD-i movie
(Windows 95
does not support
CD-i movies)
1. CD-ROM drive
2. System board
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Summary of Contents for ThinkPad 770E
Page 80: ...FRU REMOVALS AND REPLACEMENTS 74...
Page 102: ...FRU REMOVALS AND REPLACEMENTS Locate the microphone spacer and cable 96...
Page 111: ...FRU REMOVALS AND REPLACEMENTS ThinkPad 770 770E 770X and 770Z 105...
Page 123: ...PARTS LIST Parts List ThinkPad 770 770E 770X and 770Z 117...
Page 136: ...IBM Part Number 37L5152 Printed in U S A S1 L 9621 2...
