Symptom / Error FRU / Action in Sequence
The CD-ROM does not
work. Make sure that:
The computer power is
turned on and a
compact disc is in the
CD-ROM drive.
The CD-ROM drive
connector is firmly
connected to the
computer.
The CD-ROM drive
tray is firmly closed.
The device drivers are
correctly installed.
If the CD-ROM drive in
the IBM ThinkPad
Dock I does not work,
do the following:
1. Click on Start.
2. Move the cursor
to Programs and
ThinkPad; then
click on ThinkPad
Configuration.
3. Click on Docking
Station.
4. Make sure that
you checked
Enable IDE
device in the
docking station.
Note: Do not
use IRQ
11 and 15
for the PCI
device
setting.
5. Click on OK.
1.CD-ROM drive
2. System board
DVD-Related Symptoms
Symptom / Error FRU / Action in Sequence
You hear a noise from the
DVD drive when the DVD
disk or compact disk is
spinning.
1.DVD drive
2. System board
The DVD tray does not
open even if you press the
DVD eject button.
Insert a pin into the DVD
emergency eject hole and
eject the DVD tray.

ThinkPad 770 (9548, 9549) 553