Lenovo 6446 - Manual (Page 79)

Troubleshooting tables
Use the troubleshooting tables to find solutions to problems that have identifiable
symptoms. See the Hardware Maintenance Manual on the ThinkServer
Documentation DVD for more detailed troubleshooting information. If you cannot
find the 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 using the troubleshooting tables:
1. Check the light path diagnostics LEDs on the operator information panel (see
“Light path diagnostics” on page 77).
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-RW/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-RW/DVD drive is not
recognized.
1. Make sure that:
v The IDE channel to which the CD-RW/DVD drive is attached (primary) is
enabled in the Configuration/Setup Utility program.
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-RW/DVD drive.
2. Run the CD-RW/DVD drive diagnostic programs.
3. Reseat the following components:
a. CD-RW/DVD drive
b. IDE/Ultrabay Enhanced (UBE) interposer card cable
4. Replace the components listed in step 3 one at a time, in the order shown,
restarting the server each time.
The CD-RW/DVD drive is not
working correctly.
1. Clean the CD or DVD.
2. Run the CD-RW/DVD drive diagnostic programs.
3. Check the connector and signal cable for bent pins or damage.
4. Replace any damaged parts.
5. Reseat the CD-RW/DVD drive.
6. Replace the CD-RW/DVD drive.
Chapter 5. Solving problems 65