Lenovo x3550 M4 Installation And Service Manual page 178

Table of Contents

v Follow the suggested actions in the order in which they are listed in the Action column until the problem is

v If an action step is preceded by "(Trained technician only)," that step must be performed only by a trained

v Go to the support website at http://www.ibm.com/supportportal/ to check for technical information, hints, tips,

and new device drivers or to submit a request for information.

An optional device that worked

previously does not work now.

System x3550 M4 Type 7914: Installation and Service Guide

1. Make sure that all of the cable connections for the device are secure.

2. If the device comes with test instructions, use those instructions to test the

3. If the failing device is a SCSI device, make sure that:

v The cables for all external SCSI devices are connected correctly.

v The last device in each SCSI chain, or the end of the SCSI cable, is

terminated correctly.

v Any external SCSI device is turned on. You must turn on an external SCSI

device before you turn on the server.

4. Reseat the failing device.

5. Replace the failing device.

Troubleshooting