Intermittent Problems - Lenovo System x3250 M4 Installation And Service Manual

Table 18. DVD drive's symptoms and actions (continued)
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• If an action step is preceded by "(Trained technician only)", that step must be performed only by a Trained
technician.
• Go to the IBM support website at http://www.lenovo.com/support to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Symptom
A CD or DVD is not working
correctly.
The DVD drive tray is not
working.

Intermittent problems

Table 19. Intermittent problems and actions
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• If an action step is preceded by "(Trained technician only)", that step must be performed only by a trained
technician.
• Go to the IBM support website at http://www.lenovo.com/support to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Symptom
A problem occurs only
occasionally and is difficult to
diagnose.
Action
a. DVD drive
b. DVD drive cable
4. Replace the components listed in step 3 one at a time, in the order shown,
restarting the server each time.
5. (Trained technician only) Replace the system board.
1. Clean the CD or DVD.
2. Replace the CD or DVD with new CD or DVD media.
3. Run the DVD drive diagnostic programs.
4. Check the connector and signal cable for bent pins or damage.
5. Reseat the DVD drive.
6. Replace the DVD drive.
1. Make sure that the server is turned on.
2. Insert the end of a straightened paper clip into the manual tray-release opening.
3. Reseat the DVD drive.
4. Replace the DVD drive.
Action
1. Make sure that:
• All cables and cords are connected securely to the rear of the server and
attached devices.
• When the server is turned on, air is flowing from the fan grille. If there is
no airflow, the fan is not working. This can cause the server to overheat
and shut down.
2. Check the system-error log or IMM2 event log (see "Event logs" on page 96).
.
Chapter 4 Troubleshooting
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