Lenovo 6435 - Manual (Page 59)

Troubleshooting tables
Use the troubleshooting tables to find solutions to problems that have identifiable
symptoms. See the Hardware Maintenance Manual on the LenovoThinkServer
Documentation DVD for more detailed troubleshooting information. If you cannot
find a problem in these tables, run the diagnostic programs (see “Running the
diagnostic programs” in the Hardware Maintenance Manual ).
If you have just added new software or a new optional device and the server is not
working, complete the following steps before you use the troubleshooting tables:
1. Check the system-error LED on the operator information panel (see Chapter 3,
“Server controls, LEDs, and power,” on page 27).
2. Remove the software or device that you just added.
3. Run the diagnostic tests to determine whether the server is running correctly.
4. Reinstall the new software or new device.
CD or DVD drive problems
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Hardware Maintenance Manual to determine which components are customer
replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
The CD or DVD drive is not
recognized.
1. Make sure that:
v All cables and jumpers are installed correctly.
v The signal cable and connector are not damaged and the connector pins are
not bent.
v All damaged parts are repaired or replaced.
v The correct device driver is installed for the CD or DVD drive.
2. Run the CD, CD-RW, or DVD drive diagnostic programs.
3. Reseat the following components:
a. CD or DVD drive
b. CD or DVD interface board cable
4. Replace the following components one at a time, in the order shown, restarting
the server each time:
a. CD or DVD drive
b. CD or DVD drive interface board cable
c. CD or DVD interface board
d. (Trained service technician only) System board
A CD or DVD is not working
correctly.
1. Clean the CD or DVD.
2. Run the CD or DVD drive diagnostic programs.
3. Reseat the CD or DVD drive.
4. Replace the CD or DVD drive.
Chapter 5. Solving problems 45